From a521d0a52ea0c2b8005f082a62bda980e27a775e Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Fri, 20 Sep 2024 11:44:11 +0200
Subject: [PATCH 01/27] fix test

---
 test/config_cat_test.exs  | 2 +-
 test/using_block_test.exs | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/config_cat_test.exs b/test/config_cat_test.exs
index 9253e826..2894a9ba 100644
--- a/test/config_cat_test.exs
+++ b/test/config_cat_test.exs
@@ -1,5 +1,5 @@
 defmodule ConfigCatTest do
-  use ConfigCat.ClientCase, async: true
+  use ConfigCat.ClientCase, async: false
 
   import ExUnit.CaptureLog
   import Jason.Sigil
diff --git a/test/using_block_test.exs b/test/using_block_test.exs
index ab788d4d..759333a7 100644
--- a/test/using_block_test.exs
+++ b/test/using_block_test.exs
@@ -2,7 +2,7 @@ defmodule ConfigCat.UsingBlockTest do
   # Must be async: false to avoid a collision with the integration tests.
   # Now that we only allow a single ConfigCat instance to use the same SDK key,
   # one of the async tests would fail due to the existing running instance.
-  use ExUnit.Case, async: false
+  use ConfigCat.Case, async: false
 
   defmodule CustomModule do
     @moduledoc false

From 43493e6e5b9abdb68d32678c781bf1b6d37acf3b Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Fri, 20 Sep 2024 13:35:21 +0200
Subject: [PATCH 02/27] comment out block test

---
 test/using_block_test.exs | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/test/using_block_test.exs b/test/using_block_test.exs
index 759333a7..31e6e1e1 100644
--- a/test/using_block_test.exs
+++ b/test/using_block_test.exs
@@ -4,17 +4,17 @@ defmodule ConfigCat.UsingBlockTest do
   # one of the async tests would fail due to the existing running instance.
   use ConfigCat.Case, async: false
 
-  defmodule CustomModule do
-    @moduledoc false
-    use ConfigCat, sdk_key: "configcat-sdk-1/PKDVCLf-Hq-h-kCzMp-L7Q/1cGEJXUwYUGZCBOL-E2sOw"
-  end
+  # defmodule CustomModule do
+  #   @moduledoc false
+  #   use ConfigCat, sdk_key: "configcat-sdk-1/PKDVCLf-Hq-h-kCzMp-L7Q/1cGEJXUwYUGZCBOL-E2sOw"
+  # end
 
   test "can call API through using block" do
-    _pid = start_supervised!(CustomModule)
+    # _pid = start_supervised!(CustomModule)
 
-    :ok = CustomModule.force_refresh()
+    # :ok = CustomModule.force_refresh()
 
-    assert CustomModule.get_value("keySampleText", "default value") ==
-             "This text came from ConfigCat"
+    # assert CustomModule.get_value("keySampleText", "default value") ==
+    #          "This text came from ConfigCat"
   end
 end

From afafa2573546aeec5f3745ab8fffb0e03300eb4f Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Fri, 20 Sep 2024 14:10:30 +0200
Subject: [PATCH 03/27] remove commented block

---
 test/using_block_test.exs | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/test/using_block_test.exs b/test/using_block_test.exs
index 31e6e1e1..759333a7 100644
--- a/test/using_block_test.exs
+++ b/test/using_block_test.exs
@@ -4,17 +4,17 @@ defmodule ConfigCat.UsingBlockTest do
   # one of the async tests would fail due to the existing running instance.
   use ConfigCat.Case, async: false
 
-  # defmodule CustomModule do
-  #   @moduledoc false
-  #   use ConfigCat, sdk_key: "configcat-sdk-1/PKDVCLf-Hq-h-kCzMp-L7Q/1cGEJXUwYUGZCBOL-E2sOw"
-  # end
+  defmodule CustomModule do
+    @moduledoc false
+    use ConfigCat, sdk_key: "configcat-sdk-1/PKDVCLf-Hq-h-kCzMp-L7Q/1cGEJXUwYUGZCBOL-E2sOw"
+  end
 
   test "can call API through using block" do
-    # _pid = start_supervised!(CustomModule)
+    _pid = start_supervised!(CustomModule)
 
-    # :ok = CustomModule.force_refresh()
+    :ok = CustomModule.force_refresh()
 
-    # assert CustomModule.get_value("keySampleText", "default value") ==
-    #          "This text came from ConfigCat"
+    assert CustomModule.get_value("keySampleText", "default value") ==
+             "This text came from ConfigCat"
   end
 end

From 8bc5f118e5c048787d63aca0200f58553e2f3a29 Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Fri, 20 Sep 2024 14:14:57 +0200
Subject: [PATCH 04/27] async: false test comment

---
 test/config_cat_test.exs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/test/config_cat_test.exs b/test/config_cat_test.exs
index 2894a9ba..4503312e 100644
--- a/test/config_cat_test.exs
+++ b/test/config_cat_test.exs
@@ -1,4 +1,7 @@
 defmodule ConfigCatTest do
+  # Must be async: false to avoid a collision with other tests.
+  # Now that we only allow a single ConfigCat instance to use the same SDK key,
+  # one of the async tests would fail due to the existing running instance.
   use ConfigCat.ClientCase, async: false
 
   import ExUnit.CaptureLog

From 6d21c8d2f1490eaefee33376ec554ea1a7f21bad Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Fri, 20 Sep 2024 14:29:24 +0200
Subject: [PATCH 05/27] comment out block test

---
 test/using_block_test.exs | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/test/using_block_test.exs b/test/using_block_test.exs
index 759333a7..31e6e1e1 100644
--- a/test/using_block_test.exs
+++ b/test/using_block_test.exs
@@ -4,17 +4,17 @@ defmodule ConfigCat.UsingBlockTest do
   # one of the async tests would fail due to the existing running instance.
   use ConfigCat.Case, async: false
 
-  defmodule CustomModule do
-    @moduledoc false
-    use ConfigCat, sdk_key: "configcat-sdk-1/PKDVCLf-Hq-h-kCzMp-L7Q/1cGEJXUwYUGZCBOL-E2sOw"
-  end
+  # defmodule CustomModule do
+  #   @moduledoc false
+  #   use ConfigCat, sdk_key: "configcat-sdk-1/PKDVCLf-Hq-h-kCzMp-L7Q/1cGEJXUwYUGZCBOL-E2sOw"
+  # end
 
   test "can call API through using block" do
-    _pid = start_supervised!(CustomModule)
+    # _pid = start_supervised!(CustomModule)
 
-    :ok = CustomModule.force_refresh()
+    # :ok = CustomModule.force_refresh()
 
-    assert CustomModule.get_value("keySampleText", "default value") ==
-             "This text came from ConfigCat"
+    # assert CustomModule.get_value("keySampleText", "default value") ==
+    #          "This text came from ConfigCat"
   end
 end

From e69992c9f08eb1595b95bf9d46a230a7ccf09448 Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Fri, 20 Sep 2024 18:16:08 +0200
Subject: [PATCH 06/27] test trace

---
 .github/workflows/elixir-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/elixir-ci.yml b/.github/workflows/elixir-ci.yml
index b42aac33..bc13dbf5 100644
--- a/.github/workflows/elixir-ci.yml
+++ b/.github/workflows/elixir-ci.yml
@@ -58,7 +58,7 @@ jobs:
       run: mix dialyzer
 
     - name: Execute tests
-      run: mix coveralls.json --warnings-as-errors
+      run: mix coveralls.json --warnings-as-errors --trace
 
     - name: Upload coverage report
       run: bash <(curl -s https://codecov.io/bash)

From da24d76d910365627faf5eeb51826e316fd50fec Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Fri, 20 Sep 2024 19:13:30 +0200
Subject: [PATCH 07/27] validate sdk integration test turned off

---
 test/integration_test.exs | 74 +++++++++++++++++++--------------------
 1 file changed, 37 insertions(+), 37 deletions(-)

diff --git a/test/integration_test.exs b/test/integration_test.exs
index 78b687b1..6801a1ce 100644
--- a/test/integration_test.exs
+++ b/test/integration_test.exs
@@ -24,38 +24,38 @@ defmodule ConfigCat.IntegrationTest do
       |> assert_sdk_key_required()
     end
 
-    for {sdk_key, custom_base_url?, valid?} <- [
-          {"sdk-key-90123456789012", false, false},
-          {"sdk-key-9012345678901/1234567890123456789012", false, false},
-          {"sdk-key-90123456789012/123456789012345678901", false, false},
-          {"sdk-key-90123456789012/12345678901234567890123", false, false},
-          {"sdk-key-901234567890123/1234567890123456789012", false, false},
-          {"sdk-key-90123456789012/1234567890123456789012", false, true},
-          {"configcat-sdk-1/sdk-key-90123456789012", false, false},
-          {"configcat-sdk-1/sdk-key-9012345678901/1234567890123456789012", false, false},
-          {"configcat-sdk-1/sdk-key-90123456789012/123456789012345678901", false, false},
-          {"configcat-sdk-1/sdk-key-90123456789012/12345678901234567890123", false, false},
-          {"configcat-sdk-1/sdk-key-901234567890123/1234567890123456789012", false, false},
-          {"configcat-sdk-1/sdk-key-90123456789012/1234567890123456789012", false, true},
-          {"configcat-sdk-2/sdk-key-90123456789012/1234567890123456789012", false, false},
-          {"configcat-proxy/", false, false},
-          {"configcat-proxy/", true, false},
-          {"configcat-proxy/sdk-key-90123456789012", false, false},
-          {"configcat-proxy/sdk-key-90123456789012", true, true}
-        ] do
-      test "validates SDK key format - sdk_key: #{sdk_key} | custom_base_url: #{custom_base_url?}" do
-        sdk_key = unquote(sdk_key)
-        custom_base_url? = unquote(custom_base_url?)
-        valid? = unquote(valid?)
-        options = if custom_base_url?, do: [base_url: "https://my-configcat-proxy"], else: []
-
-        if valid? do
-          assert {:ok, _} = start(sdk_key, options)
-        else
-          sdk_key |> start(options) |> assert_sdk_key_invalid(sdk_key)
-        end
-      end
-    end
+    # for {sdk_key, custom_base_url?, valid?} <- [
+    #       {"sdk-key-90123456789012", false, false},
+    #       {"sdk-key-9012345678901/1234567890123456789012", false, false},
+    #       {"sdk-key-90123456789012/123456789012345678901", false, false},
+    #       {"sdk-key-90123456789012/12345678901234567890123", false, false},
+    #       {"sdk-key-901234567890123/1234567890123456789012", false, false},
+    #       {"sdk-key-90123456789012/1234567890123456789012", false, true},
+    #       {"configcat-sdk-1/sdk-key-90123456789012", false, false},
+    #       {"configcat-sdk-1/sdk-key-9012345678901/1234567890123456789012", false, false},
+    #       {"configcat-sdk-1/sdk-key-90123456789012/123456789012345678901", false, false},
+    #       {"configcat-sdk-1/sdk-key-90123456789012/12345678901234567890123", false, false},
+    #       {"configcat-sdk-1/sdk-key-901234567890123/1234567890123456789012", false, false},
+    #       {"configcat-sdk-1/sdk-key-90123456789012/1234567890123456789012", false, true},
+    #       {"configcat-sdk-2/sdk-key-90123456789012/1234567890123456789012", false, false},
+    #       {"configcat-proxy/", false, false},
+    #       {"configcat-proxy/", true, false},
+    #       {"configcat-proxy/sdk-key-90123456789012", false, false},
+    #       {"configcat-proxy/sdk-key-90123456789012", true, true}
+    #     ] do
+    #   test "validates SDK key format - sdk_key: #{sdk_key} | custom_base_url: #{custom_base_url?}" do
+    #     sdk_key = unquote(sdk_key)
+    #     custom_base_url? = unquote(custom_base_url?)
+    #     valid? = unquote(valid?)
+    #     options = if custom_base_url?, do: [base_url: "https://my-configcat-proxy"], else: []
+
+    #     if valid? do
+    #       assert {:ok, _} = start(sdk_key, options)
+    #     else
+    #       sdk_key |> start(options) |> assert_sdk_key_invalid(sdk_key)
+    #     end
+    #   end
+    # end
 
     test "allows older format SDK keys" do
       assert {:ok, _} = start("1234567890abcdefghijkl/1234567890abcdefghijkl")
@@ -167,12 +167,12 @@ defmodule ConfigCat.IntegrationTest do
     start_config_cat(sdk_key, options)
   end
 
-  defp assert_sdk_key_invalid({:error, result}, sdk_key) do
-    assert {{:EXIT, {error, _stacktrace}}, _spec} = result
+  # defp assert_sdk_key_invalid({:error, result}, sdk_key) do
+  #   assert {{:EXIT, {error, _stacktrace}}, _spec} = result
 
-    expected_message = "SDK Key `#{sdk_key}` is invalid."
-    assert %ArgumentError{message: ^expected_message} = error
-  end
+  #   expected_message = "SDK Key `#{sdk_key}` is invalid."
+  #   assert %ArgumentError{message: ^expected_message} = error
+  # end
 
   defp assert_sdk_key_required({:error, result}) do
     assert {{:EXIT, {error, _stacktrace}}, _spec} = result

From 14fb99d0c6dd98b9b99a7f7938543af8e0660be1 Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Fri, 20 Sep 2024 19:24:28 +0200
Subject: [PATCH 08/27] remove trace from github CI

---
 .github/workflows/elixir-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/elixir-ci.yml b/.github/workflows/elixir-ci.yml
index bc13dbf5..b42aac33 100644
--- a/.github/workflows/elixir-ci.yml
+++ b/.github/workflows/elixir-ci.yml
@@ -58,7 +58,7 @@ jobs:
       run: mix dialyzer
 
     - name: Execute tests
-      run: mix coveralls.json --warnings-as-errors --trace
+      run: mix coveralls.json --warnings-as-errors
 
     - name: Upload coverage report
       run: bash <(curl -s https://codecov.io/bash)

From 17f99b3ebce13ffa04cd7384c74f16e2deb20d4c Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Fri, 20 Sep 2024 19:52:59 +0200
Subject: [PATCH 09/27] block test is back

---
 test/using_block_test.exs | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/test/using_block_test.exs b/test/using_block_test.exs
index 31e6e1e1..759333a7 100644
--- a/test/using_block_test.exs
+++ b/test/using_block_test.exs
@@ -4,17 +4,17 @@ defmodule ConfigCat.UsingBlockTest do
   # one of the async tests would fail due to the existing running instance.
   use ConfigCat.Case, async: false
 
-  # defmodule CustomModule do
-  #   @moduledoc false
-  #   use ConfigCat, sdk_key: "configcat-sdk-1/PKDVCLf-Hq-h-kCzMp-L7Q/1cGEJXUwYUGZCBOL-E2sOw"
-  # end
+  defmodule CustomModule do
+    @moduledoc false
+    use ConfigCat, sdk_key: "configcat-sdk-1/PKDVCLf-Hq-h-kCzMp-L7Q/1cGEJXUwYUGZCBOL-E2sOw"
+  end
 
   test "can call API through using block" do
-    # _pid = start_supervised!(CustomModule)
+    _pid = start_supervised!(CustomModule)
 
-    # :ok = CustomModule.force_refresh()
+    :ok = CustomModule.force_refresh()
 
-    # assert CustomModule.get_value("keySampleText", "default value") ==
-    #          "This text came from ConfigCat"
+    assert CustomModule.get_value("keySampleText", "default value") ==
+             "This text came from ConfigCat"
   end
 end

From 18d442d6d6f8b1a658dc888353a968babbee049d Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Fri, 20 Sep 2024 20:00:50 +0200
Subject: [PATCH 10/27] - block test + test trace

---
 .github/workflows/elixir-ci.yml |  2 +-
 test/using_block_test.exs       | 16 ++++++++--------
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/.github/workflows/elixir-ci.yml b/.github/workflows/elixir-ci.yml
index b42aac33..bc13dbf5 100644
--- a/.github/workflows/elixir-ci.yml
+++ b/.github/workflows/elixir-ci.yml
@@ -58,7 +58,7 @@ jobs:
       run: mix dialyzer
 
     - name: Execute tests
-      run: mix coveralls.json --warnings-as-errors
+      run: mix coveralls.json --warnings-as-errors --trace
 
     - name: Upload coverage report
       run: bash <(curl -s https://codecov.io/bash)
diff --git a/test/using_block_test.exs b/test/using_block_test.exs
index 759333a7..31e6e1e1 100644
--- a/test/using_block_test.exs
+++ b/test/using_block_test.exs
@@ -4,17 +4,17 @@ defmodule ConfigCat.UsingBlockTest do
   # one of the async tests would fail due to the existing running instance.
   use ConfigCat.Case, async: false
 
-  defmodule CustomModule do
-    @moduledoc false
-    use ConfigCat, sdk_key: "configcat-sdk-1/PKDVCLf-Hq-h-kCzMp-L7Q/1cGEJXUwYUGZCBOL-E2sOw"
-  end
+  # defmodule CustomModule do
+  #   @moduledoc false
+  #   use ConfigCat, sdk_key: "configcat-sdk-1/PKDVCLf-Hq-h-kCzMp-L7Q/1cGEJXUwYUGZCBOL-E2sOw"
+  # end
 
   test "can call API through using block" do
-    _pid = start_supervised!(CustomModule)
+    # _pid = start_supervised!(CustomModule)
 
-    :ok = CustomModule.force_refresh()
+    # :ok = CustomModule.force_refresh()
 
-    assert CustomModule.get_value("keySampleText", "default value") ==
-             "This text came from ConfigCat"
+    # assert CustomModule.get_value("keySampleText", "default value") ==
+    #          "This text came from ConfigCat"
   end
 end

From 94306435863e6be5a40aa30446ff9fe553bc00ca Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Mon, 23 Sep 2024 09:21:45 +0200
Subject: [PATCH 11/27] print Registry entry

---
 lib/config_cat/supervisor.ex | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/lib/config_cat/supervisor.ex b/lib/config_cat/supervisor.ex
index 097287bf..2c872475 100644
--- a/lib/config_cat/supervisor.ex
+++ b/lib/config_cat/supervisor.ex
@@ -61,6 +61,19 @@ defmodule ConfigCat.Supervisor do
     raise ArgumentError, "SDK Key `#{inspect(sdk_key)}` is invalid."
   end
 
+  defp retrieve_and_print_registry_entries do
+    # Define a pattern to match all entries in the registry
+    pattern = [{{{ConfigCat.Registry, :"$1"}, :"$2", :"$3"}, [], [{{:"$1", :"$2", :"$3"}}]}]
+
+    # Select all items from the registry
+    all_items = Registry.select(ConfigCat.Registry, pattern)
+
+    # Print each item using Enum.each and IO.inspect
+    Enum.each(all_items, fn item ->
+      IO.inspect(item)
+    end)
+  end
+
   defp ensure_unique_sdk_key(sdk_key) do
     ConfigCat.Registry
     |> Registry.select([{{{__MODULE__, :"$1"}, :_, sdk_key}, [], [:"$1"]}])
@@ -75,6 +88,7 @@ defmodule ConfigCat.Supervisor do
             "You can use the existing instance by passing `client: #{instance_id}` to the ConfigCat API functions. " <>
             "SDK Key: '#{sdk_key}'."
 
+        retrieve_and_print_registry_entries()
         ConfigCatLogger.warning(message, event_id: 3000)
 
         raise ArgumentError, message

From 78c48ac07500f7a928f65f04eb647d8686276bf9 Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Mon, 23 Sep 2024 09:28:53 +0200
Subject: [PATCH 12/27] add registry items to warning message

---
 lib/config_cat/supervisor.ex | 21 ++++++---------------
 1 file changed, 6 insertions(+), 15 deletions(-)

diff --git a/lib/config_cat/supervisor.ex b/lib/config_cat/supervisor.ex
index 2c872475..3b76d41d 100644
--- a/lib/config_cat/supervisor.ex
+++ b/lib/config_cat/supervisor.ex
@@ -61,19 +61,6 @@ defmodule ConfigCat.Supervisor do
     raise ArgumentError, "SDK Key `#{inspect(sdk_key)}` is invalid."
   end
 
-  defp retrieve_and_print_registry_entries do
-    # Define a pattern to match all entries in the registry
-    pattern = [{{{ConfigCat.Registry, :"$1"}, :"$2", :"$3"}, [], [{{:"$1", :"$2", :"$3"}}]}]
-
-    # Select all items from the registry
-    all_items = Registry.select(ConfigCat.Registry, pattern)
-
-    # Print each item using Enum.each and IO.inspect
-    Enum.each(all_items, fn item ->
-      IO.inspect(item)
-    end)
-  end
-
   defp ensure_unique_sdk_key(sdk_key) do
     ConfigCat.Registry
     |> Registry.select([{{{__MODULE__, :"$1"}, :_, sdk_key}, [], [:"$1"]}])
@@ -82,13 +69,17 @@ defmodule ConfigCat.Supervisor do
         :ok
 
       [instance_id] ->
+        # Define a pattern to match all entries in the registry
+        pattern = [{{{ConfigCat.Registry, :"$1"}, :"$2", :"$3"}, [], [{{:"$1", :"$2", :"$3"}}]}]
+        # Select all items from the registry
+        registry_items = Registry.select(ConfigCat.Registry, pattern)
+
         message =
           "There is an existing ConfigCat instance for the specified SDK Key. " <>
             "No new instance will be created and the specified options are ignored. " <>
             "You can use the existing instance by passing `client: #{instance_id}` to the ConfigCat API functions. " <>
-            "SDK Key: '#{sdk_key}'."
+            "SDK Key: '#{sdk_key}'. Registry: #{registry_items}"
 
-        retrieve_and_print_registry_entries()
         ConfigCatLogger.warning(message, event_id: 3000)
 
         raise ArgumentError, message

From 9784b110757fbb804a149f37ea8641728b3e1664 Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Mon, 23 Sep 2024 13:24:59 +0200
Subject: [PATCH 13/27] message fix

---
 lib/config_cat/supervisor.ex | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/config_cat/supervisor.ex b/lib/config_cat/supervisor.ex
index 3b76d41d..1ef86638 100644
--- a/lib/config_cat/supervisor.ex
+++ b/lib/config_cat/supervisor.ex
@@ -70,7 +70,7 @@ defmodule ConfigCat.Supervisor do
 
       [instance_id] ->
         # Define a pattern to match all entries in the registry
-        pattern = [{{{ConfigCat.Registry, :"$1"}, :"$2", :"$3"}, [], [{{:"$1", :"$2", :"$3"}}]}]
+        pattern = [{{{__MODULE__, :"$1"}, :"$2", :"$3"}, [], [{{:"$1", :"$2", :"$3"}}]}]
         # Select all items from the registry
         registry_items = Registry.select(ConfigCat.Registry, pattern)
 
@@ -78,7 +78,7 @@ defmodule ConfigCat.Supervisor do
           "There is an existing ConfigCat instance for the specified SDK Key. " <>
             "No new instance will be created and the specified options are ignored. " <>
             "You can use the existing instance by passing `client: #{instance_id}` to the ConfigCat API functions. " <>
-            "SDK Key: '#{sdk_key}'. Registry: #{registry_items}"
+            "SDK Key: '#{sdk_key}'. Registry: #{inspect(registry_items)} ."
 
         ConfigCatLogger.warning(message, event_id: 3000)
 

From 0b7fcd6473d04d74284113ee0da53964412af8b0 Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Mon, 23 Sep 2024 14:23:45 +0200
Subject: [PATCH 14/27] test finished log

---
 test/integration_test.exs | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/test/integration_test.exs b/test/integration_test.exs
index 6801a1ce..49bcfe3d 100644
--- a/test/integration_test.exs
+++ b/test/integration_test.exs
@@ -11,6 +11,21 @@ defmodule ConfigCat.IntegrationTest do
 
   @sdk_key "configcat-sdk-1/PKDVCLf-Hq-h-kCzMp-L7Q/1cGEJXUwYUGZCBOL-E2sOw"
 
+  setup context do
+    # This will run after every individual test
+    on_exit(fn ->
+      IO.puts("Test finished: #{context.test}")
+
+      # Define a pattern to match all entries in the registry
+      pattern = [{{{__MODULE__, :"$1"}, :"$2", :"$3"}, [], [{{:"$1", :"$2", :"$3"}}]}]
+      # Select all items from the registry
+      registry_items = Registry.select(ConfigCat.Registry, pattern)
+      IO.puts("Registry: #{inspect(registry_items)}")
+    end)
+
+    :ok
+  end
+
   describe "SDK key validation" do
     test "raises error if SDK key is missing" do
       nil

From 361bcaf383f69dc58f09064d9f192994326b396d Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Mon, 23 Sep 2024 14:29:24 +0200
Subject: [PATCH 15/27] allow IO.puts

---
 .credo.exs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.credo.exs b/.credo.exs
index be74a8ce..de3ed516 100644
--- a/.credo.exs
+++ b/.credo.exs
@@ -116,7 +116,7 @@
           {Credo.Check.Refactor.Apply, []},
           {Credo.Check.Refactor.CyclomaticComplexity, []},
           {Credo.Check.Refactor.FunctionArity, []},
-          {Credo.Check.Refactor.IoPuts, []},
+          {Credo.Check.Refactor.IoPuts, false},
           {Credo.Check.Refactor.LongQuoteBlocks, []},
           {Credo.Check.Refactor.MatchInCondition, []},
           {Credo.Check.Refactor.Nesting, [max_nesting: 3]},
@@ -129,10 +129,10 @@
           #
           {Credo.Check.Warning.ApplicationConfigInModuleAttribute, []},
           {Credo.Check.Warning.BoolOperationOnSameValues, []},
-          {Credo.Check.Warning.Dbg, []},
+          {Credo.Check.Warning.Dbg, false},
           {Credo.Check.Warning.ExpensiveEmptyEnumCheck, []},
           {Credo.Check.Warning.IExPry, []},
-          {Credo.Check.Warning.IoInspect, []},
+          {Credo.Check.Warning.IoInspect, false},
           {Credo.Check.Warning.OperationOnSameValues, []},
           {Credo.Check.Warning.OperationWithConstantResult, []},
           {Credo.Check.Warning.RaiseInsideRescue, []},

From 03938e615d47dca4a161967de155ceaa0e367815 Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Mon, 23 Sep 2024 17:01:31 +0200
Subject: [PATCH 16/27] print registry

---
 test/integration_test.exs | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/test/integration_test.exs b/test/integration_test.exs
index 49bcfe3d..13bd4d2b 100644
--- a/test/integration_test.exs
+++ b/test/integration_test.exs
@@ -15,12 +15,7 @@ defmodule ConfigCat.IntegrationTest do
     # This will run after every individual test
     on_exit(fn ->
       IO.puts("Test finished: #{context.test}")
-
-      # Define a pattern to match all entries in the registry
-      pattern = [{{{__MODULE__, :"$1"}, :"$2", :"$3"}, [], [{{:"$1", :"$2", :"$3"}}]}]
-      # Select all items from the registry
-      registry_items = Registry.select(ConfigCat.Registry, pattern)
-      IO.puts("Registry: #{inspect(registry_items)}")
+      print_registry_contents()
     end)
 
     :ok
@@ -94,6 +89,8 @@ defmodule ConfigCat.IntegrationTest do
   end
 
   test "fetches config" do
+    print_registry_contents()
+
     {:ok, client} = start(@sdk_key)
 
     :ok = ConfigCat.force_refresh(client: client)
@@ -152,6 +149,8 @@ defmodule ConfigCat.IntegrationTest do
 
   @tag capture_log: true
   test "handles invalid base_url" do
+    print_registry_contents()
+
     {:ok, client} = start(@sdk_key, base_url: "https://invalidcdn.configcat.com")
 
     assert {:error, _message} = ConfigCat.force_refresh(client: client)
@@ -159,6 +158,8 @@ defmodule ConfigCat.IntegrationTest do
 
   @tag capture_log: true
   test "handles data_governance: eu_only" do
+    print_registry_contents()
+
     {:ok, client} = start(@sdk_key, data_governance: :eu_only)
 
     assert ConfigCat.get_value("keySampleText", "default value", client: client) ==
@@ -194,4 +195,12 @@ defmodule ConfigCat.IntegrationTest do
 
     assert %ArgumentError{message: "SDK Key is required"} = error
   end
+
+  defp print_registry_contents do
+    # Define a pattern to match all entries in the registry
+    pattern = [{{{__MODULE__, :"$1"}, :"$2", :"$3"}, [], [{{:"$1", :"$2", :"$3"}}]}]
+    # Select all items from the registry
+    registry_items = Registry.select(ConfigCat.Registry, pattern)
+    IO.puts("Registry: #{inspect(registry_items)}")
+  end
 end

From fff2c504960de07a482e56b41b8e4cfd7059cb34 Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Mon, 23 Sep 2024 18:31:03 +0200
Subject: [PATCH 17/27] clear registry before all test

---
 test/integration_test.exs | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/test/integration_test.exs b/test/integration_test.exs
index 13bd4d2b..3b7ee649 100644
--- a/test/integration_test.exs
+++ b/test/integration_test.exs
@@ -11,6 +11,13 @@ defmodule ConfigCat.IntegrationTest do
 
   @sdk_key "configcat-sdk-1/PKDVCLf-Hq-h-kCzMp-L7Q/1cGEJXUwYUGZCBOL-E2sOw"
 
+  setup_all do
+    # Restart the Registry before running tests
+    clear_registry()
+
+    :ok
+  end
+
   setup context do
     # This will run after every individual test
     on_exit(fn ->
@@ -201,6 +208,17 @@ defmodule ConfigCat.IntegrationTest do
     pattern = [{{{__MODULE__, :"$1"}, :"$2", :"$3"}, [], [{{:"$1", :"$2", :"$3"}}]}]
     # Select all items from the registry
     registry_items = Registry.select(ConfigCat.Registry, pattern)
-    IO.puts("Registry: #{inspect(registry_items)}")
+    IO.puts("print_registry_contents: #{inspect(registry_items)}")
+  end
+
+  defp clear_registry do
+    # Define a pattern to match all entries in the registry
+    pattern = [{{{__MODULE__, :"$1"}, :_, :_}, [], [{{:"$1"}}]}]
+    # Select all items from the registry
+    keys = Registry.select(ConfigCat.Registry, pattern)
+    # Unregister each key
+    Enum.each(keys, fn key ->
+      Registry.unregister(ConfigCat.Registry, key)
+    end)
   end
 end

From 67ebd2c191134666ec11646d2ea4b2deaacd1bae Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Tue, 24 Sep 2024 13:59:14 +0200
Subject: [PATCH 18/27] add extra print_registry_contents

---
 test/integration_test.exs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/test/integration_test.exs b/test/integration_test.exs
index 3b7ee649..96ebdd96 100644
--- a/test/integration_test.exs
+++ b/test/integration_test.exs
@@ -85,6 +85,8 @@ defmodule ConfigCat.IntegrationTest do
 
     @tag capture_log: true
     test "raises error when starting another instance with the same SDK key" do
+      print_registry_contents()
+
       {:ok, _} = start(@sdk_key, name: :original)
 
       assert {:error, {{:EXIT, {error, _stacktrace}}, _spec}} =
@@ -107,6 +109,8 @@ defmodule ConfigCat.IntegrationTest do
   end
 
   test "maintains previous configuration when config has not changed between refreshes" do
+    print_registry_contents()
+
     {:ok, client} = start(@sdk_key)
 
     :ok = ConfigCat.force_refresh(client: client)
@@ -117,6 +121,8 @@ defmodule ConfigCat.IntegrationTest do
   end
 
   test "lazily fetches configuration when using lazy loading" do
+    print_registry_contents()
+
     {:ok, client} =
       start(
         @sdk_key,
@@ -129,6 +135,8 @@ defmodule ConfigCat.IntegrationTest do
 
   @tag capture_log: true
   test "does not fetch config when offline mode is set" do
+    print_registry_contents()
+
     {:ok, client} = start(@sdk_key, offline: true)
 
     assert ConfigCat.offline?(client: client)
@@ -175,6 +183,8 @@ defmodule ConfigCat.IntegrationTest do
 
   @tag capture_log: true
   test "handles timeout" do
+    print_registry_contents()
+
     {:ok, client} =
       start(@sdk_key, connect_timeout_milliseconds: 0, read_timeout_milliseconds: 0)
 

From f85f685f70451b3a9f6475f7f77d860987e7c1ae Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Tue, 24 Sep 2024 14:24:56 +0200
Subject: [PATCH 19/27] cleanup

---
 .credo.exs                      |   6 +-
 .github/workflows/elixir-ci.yml |   2 +-
 lib/config_cat/supervisor.ex    |   7 +-
 test/integration_test.exs       | 128 +++++++++++---------------------
 test/using_block_test.exs       |  16 ++--
 5 files changed, 56 insertions(+), 103 deletions(-)

diff --git a/.credo.exs b/.credo.exs
index de3ed516..be74a8ce 100644
--- a/.credo.exs
+++ b/.credo.exs
@@ -116,7 +116,7 @@
           {Credo.Check.Refactor.Apply, []},
           {Credo.Check.Refactor.CyclomaticComplexity, []},
           {Credo.Check.Refactor.FunctionArity, []},
-          {Credo.Check.Refactor.IoPuts, false},
+          {Credo.Check.Refactor.IoPuts, []},
           {Credo.Check.Refactor.LongQuoteBlocks, []},
           {Credo.Check.Refactor.MatchInCondition, []},
           {Credo.Check.Refactor.Nesting, [max_nesting: 3]},
@@ -129,10 +129,10 @@
           #
           {Credo.Check.Warning.ApplicationConfigInModuleAttribute, []},
           {Credo.Check.Warning.BoolOperationOnSameValues, []},
-          {Credo.Check.Warning.Dbg, false},
+          {Credo.Check.Warning.Dbg, []},
           {Credo.Check.Warning.ExpensiveEmptyEnumCheck, []},
           {Credo.Check.Warning.IExPry, []},
-          {Credo.Check.Warning.IoInspect, false},
+          {Credo.Check.Warning.IoInspect, []},
           {Credo.Check.Warning.OperationOnSameValues, []},
           {Credo.Check.Warning.OperationWithConstantResult, []},
           {Credo.Check.Warning.RaiseInsideRescue, []},
diff --git a/.github/workflows/elixir-ci.yml b/.github/workflows/elixir-ci.yml
index bc13dbf5..b42aac33 100644
--- a/.github/workflows/elixir-ci.yml
+++ b/.github/workflows/elixir-ci.yml
@@ -58,7 +58,7 @@ jobs:
       run: mix dialyzer
 
     - name: Execute tests
-      run: mix coveralls.json --warnings-as-errors --trace
+      run: mix coveralls.json --warnings-as-errors
 
     - name: Upload coverage report
       run: bash <(curl -s https://codecov.io/bash)
diff --git a/lib/config_cat/supervisor.ex b/lib/config_cat/supervisor.ex
index 1ef86638..097287bf 100644
--- a/lib/config_cat/supervisor.ex
+++ b/lib/config_cat/supervisor.ex
@@ -69,16 +69,11 @@ defmodule ConfigCat.Supervisor do
         :ok
 
       [instance_id] ->
-        # Define a pattern to match all entries in the registry
-        pattern = [{{{__MODULE__, :"$1"}, :"$2", :"$3"}, [], [{{:"$1", :"$2", :"$3"}}]}]
-        # Select all items from the registry
-        registry_items = Registry.select(ConfigCat.Registry, pattern)
-
         message =
           "There is an existing ConfigCat instance for the specified SDK Key. " <>
             "No new instance will be created and the specified options are ignored. " <>
             "You can use the existing instance by passing `client: #{instance_id}` to the ConfigCat API functions. " <>
-            "SDK Key: '#{sdk_key}'. Registry: #{inspect(registry_items)} ."
+            "SDK Key: '#{sdk_key}'."
 
         ConfigCatLogger.warning(message, event_id: 3000)
 
diff --git a/test/integration_test.exs b/test/integration_test.exs
index 96ebdd96..364fd066 100644
--- a/test/integration_test.exs
+++ b/test/integration_test.exs
@@ -11,22 +11,7 @@ defmodule ConfigCat.IntegrationTest do
 
   @sdk_key "configcat-sdk-1/PKDVCLf-Hq-h-kCzMp-L7Q/1cGEJXUwYUGZCBOL-E2sOw"
 
-  setup_all do
-    # Restart the Registry before running tests
-    clear_registry()
-
-    :ok
-  end
-
-  setup context do
-    # This will run after every individual test
-    on_exit(fn ->
-      IO.puts("Test finished: #{context.test}")
-      print_registry_contents()
-    end)
-
-    :ok
-  end
+  setup :clear_registry
 
   describe "SDK key validation" do
     test "raises error if SDK key is missing" do
@@ -41,38 +26,38 @@ defmodule ConfigCat.IntegrationTest do
       |> assert_sdk_key_required()
     end
 
-    # for {sdk_key, custom_base_url?, valid?} <- [
-    #       {"sdk-key-90123456789012", false, false},
-    #       {"sdk-key-9012345678901/1234567890123456789012", false, false},
-    #       {"sdk-key-90123456789012/123456789012345678901", false, false},
-    #       {"sdk-key-90123456789012/12345678901234567890123", false, false},
-    #       {"sdk-key-901234567890123/1234567890123456789012", false, false},
-    #       {"sdk-key-90123456789012/1234567890123456789012", false, true},
-    #       {"configcat-sdk-1/sdk-key-90123456789012", false, false},
-    #       {"configcat-sdk-1/sdk-key-9012345678901/1234567890123456789012", false, false},
-    #       {"configcat-sdk-1/sdk-key-90123456789012/123456789012345678901", false, false},
-    #       {"configcat-sdk-1/sdk-key-90123456789012/12345678901234567890123", false, false},
-    #       {"configcat-sdk-1/sdk-key-901234567890123/1234567890123456789012", false, false},
-    #       {"configcat-sdk-1/sdk-key-90123456789012/1234567890123456789012", false, true},
-    #       {"configcat-sdk-2/sdk-key-90123456789012/1234567890123456789012", false, false},
-    #       {"configcat-proxy/", false, false},
-    #       {"configcat-proxy/", true, false},
-    #       {"configcat-proxy/sdk-key-90123456789012", false, false},
-    #       {"configcat-proxy/sdk-key-90123456789012", true, true}
-    #     ] do
-    #   test "validates SDK key format - sdk_key: #{sdk_key} | custom_base_url: #{custom_base_url?}" do
-    #     sdk_key = unquote(sdk_key)
-    #     custom_base_url? = unquote(custom_base_url?)
-    #     valid? = unquote(valid?)
-    #     options = if custom_base_url?, do: [base_url: "https://my-configcat-proxy"], else: []
-
-    #     if valid? do
-    #       assert {:ok, _} = start(sdk_key, options)
-    #     else
-    #       sdk_key |> start(options) |> assert_sdk_key_invalid(sdk_key)
-    #     end
-    #   end
-    # end
+    for {sdk_key, custom_base_url?, valid?} <- [
+          {"sdk-key-90123456789012", false, false},
+          {"sdk-key-9012345678901/1234567890123456789012", false, false},
+          {"sdk-key-90123456789012/123456789012345678901", false, false},
+          {"sdk-key-90123456789012/12345678901234567890123", false, false},
+          {"sdk-key-901234567890123/1234567890123456789012", false, false},
+          {"sdk-key-90123456789012/1234567890123456789012", false, true},
+          {"configcat-sdk-1/sdk-key-90123456789012", false, false},
+          {"configcat-sdk-1/sdk-key-9012345678901/1234567890123456789012", false, false},
+          {"configcat-sdk-1/sdk-key-90123456789012/123456789012345678901", false, false},
+          {"configcat-sdk-1/sdk-key-90123456789012/12345678901234567890123", false, false},
+          {"configcat-sdk-1/sdk-key-901234567890123/1234567890123456789012", false, false},
+          {"configcat-sdk-1/sdk-key-90123456789012/1234567890123456789012", false, true},
+          {"configcat-sdk-2/sdk-key-90123456789012/1234567890123456789012", false, false},
+          {"configcat-proxy/", false, false},
+          {"configcat-proxy/", true, false},
+          {"configcat-proxy/sdk-key-90123456789012", false, false},
+          {"configcat-proxy/sdk-key-90123456789012", true, true}
+        ] do
+      test "validates SDK key format - sdk_key: #{sdk_key} | custom_base_url: #{custom_base_url?}" do
+        sdk_key = unquote(sdk_key)
+        custom_base_url? = unquote(custom_base_url?)
+        valid? = unquote(valid?)
+        options = if custom_base_url?, do: [base_url: "https://my-configcat-proxy"], else: []
+
+        if valid? do
+          assert {:ok, _} = start(sdk_key, options)
+        else
+          sdk_key |> start(options) |> assert_sdk_key_invalid(sdk_key)
+        end
+      end
+    end
 
     test "allows older format SDK keys" do
       assert {:ok, _} = start("1234567890abcdefghijkl/1234567890abcdefghijkl")
@@ -85,8 +70,6 @@ defmodule ConfigCat.IntegrationTest do
 
     @tag capture_log: true
     test "raises error when starting another instance with the same SDK key" do
-      print_registry_contents()
-
       {:ok, _} = start(@sdk_key, name: :original)
 
       assert {:error, {{:EXIT, {error, _stacktrace}}, _spec}} =
@@ -98,8 +81,6 @@ defmodule ConfigCat.IntegrationTest do
   end
 
   test "fetches config" do
-    print_registry_contents()
-
     {:ok, client} = start(@sdk_key)
 
     :ok = ConfigCat.force_refresh(client: client)
@@ -109,8 +90,6 @@ defmodule ConfigCat.IntegrationTest do
   end
 
   test "maintains previous configuration when config has not changed between refreshes" do
-    print_registry_contents()
-
     {:ok, client} = start(@sdk_key)
 
     :ok = ConfigCat.force_refresh(client: client)
@@ -121,8 +100,6 @@ defmodule ConfigCat.IntegrationTest do
   end
 
   test "lazily fetches configuration when using lazy loading" do
-    print_registry_contents()
-
     {:ok, client} =
       start(
         @sdk_key,
@@ -135,8 +112,6 @@ defmodule ConfigCat.IntegrationTest do
 
   @tag capture_log: true
   test "does not fetch config when offline mode is set" do
-    print_registry_contents()
-
     {:ok, client} = start(@sdk_key, offline: true)
 
     assert ConfigCat.offline?(client: client)
@@ -164,8 +139,6 @@ defmodule ConfigCat.IntegrationTest do
 
   @tag capture_log: true
   test "handles invalid base_url" do
-    print_registry_contents()
-
     {:ok, client} = start(@sdk_key, base_url: "https://invalidcdn.configcat.com")
 
     assert {:error, _message} = ConfigCat.force_refresh(client: client)
@@ -173,8 +146,6 @@ defmodule ConfigCat.IntegrationTest do
 
   @tag capture_log: true
   test "handles data_governance: eu_only" do
-    print_registry_contents()
-
     {:ok, client} = start(@sdk_key, data_governance: :eu_only)
 
     assert ConfigCat.get_value("keySampleText", "default value", client: client) ==
@@ -183,8 +154,6 @@ defmodule ConfigCat.IntegrationTest do
 
   @tag capture_log: true
   test "handles timeout" do
-    print_registry_contents()
-
     {:ok, client} =
       start(@sdk_key, connect_timeout_milliseconds: 0, read_timeout_milliseconds: 0)
 
@@ -200,12 +169,12 @@ defmodule ConfigCat.IntegrationTest do
     start_config_cat(sdk_key, options)
   end
 
-  # defp assert_sdk_key_invalid({:error, result}, sdk_key) do
-  #   assert {{:EXIT, {error, _stacktrace}}, _spec} = result
+  defp assert_sdk_key_invalid({:error, result}, sdk_key) do
+    assert {{:EXIT, {error, _stacktrace}}, _spec} = result
 
-  #   expected_message = "SDK Key `#{sdk_key}` is invalid."
-  #   assert %ArgumentError{message: ^expected_message} = error
-  # end
+    expected_message = "SDK Key `#{sdk_key}` is invalid."
+    assert %ArgumentError{message: ^expected_message} = error
+  end
 
   defp assert_sdk_key_required({:error, result}) do
     assert {{:EXIT, {error, _stacktrace}}, _spec} = result
@@ -213,22 +182,11 @@ defmodule ConfigCat.IntegrationTest do
     assert %ArgumentError{message: "SDK Key is required"} = error
   end
 
-  defp print_registry_contents do
-    # Define a pattern to match all entries in the registry
-    pattern = [{{{__MODULE__, :"$1"}, :"$2", :"$3"}, [], [{{:"$1", :"$2", :"$3"}}]}]
-    # Select all items from the registry
-    registry_items = Registry.select(ConfigCat.Registry, pattern)
-    IO.puts("print_registry_contents: #{inspect(registry_items)}")
-  end
+  defp clear_registry(_context) do
+    ConfigCat.Registry
+    |> Registry.match({__MODULE__, :_}, :_)
+    |> Enum.each(fn {key, _} -> Registry.unregister(ConfigCat.Registry, key) end)
 
-  defp clear_registry do
-    # Define a pattern to match all entries in the registry
-    pattern = [{{{__MODULE__, :"$1"}, :_, :_}, [], [{{:"$1"}}]}]
-    # Select all items from the registry
-    keys = Registry.select(ConfigCat.Registry, pattern)
-    # Unregister each key
-    Enum.each(keys, fn key ->
-      Registry.unregister(ConfigCat.Registry, key)
-    end)
+    :ok
   end
 end
diff --git a/test/using_block_test.exs b/test/using_block_test.exs
index 31e6e1e1..759333a7 100644
--- a/test/using_block_test.exs
+++ b/test/using_block_test.exs
@@ -4,17 +4,17 @@ defmodule ConfigCat.UsingBlockTest do
   # one of the async tests would fail due to the existing running instance.
   use ConfigCat.Case, async: false
 
-  # defmodule CustomModule do
-  #   @moduledoc false
-  #   use ConfigCat, sdk_key: "configcat-sdk-1/PKDVCLf-Hq-h-kCzMp-L7Q/1cGEJXUwYUGZCBOL-E2sOw"
-  # end
+  defmodule CustomModule do
+    @moduledoc false
+    use ConfigCat, sdk_key: "configcat-sdk-1/PKDVCLf-Hq-h-kCzMp-L7Q/1cGEJXUwYUGZCBOL-E2sOw"
+  end
 
   test "can call API through using block" do
-    # _pid = start_supervised!(CustomModule)
+    _pid = start_supervised!(CustomModule)
 
-    # :ok = CustomModule.force_refresh()
+    :ok = CustomModule.force_refresh()
 
-    # assert CustomModule.get_value("keySampleText", "default value") ==
-    #          "This text came from ConfigCat"
+    assert CustomModule.get_value("keySampleText", "default value") ==
+             "This text came from ConfigCat"
   end
 end

From 716f9c383b119cd63d835beab49f27a0cd961886 Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Tue, 24 Sep 2024 22:13:48 +0200
Subject: [PATCH 20/27] move block test into integration test

---
 test/integration_test.exs | 14 ++++++++++++++
 test/using_block_test.exs | 20 --------------------
 2 files changed, 14 insertions(+), 20 deletions(-)
 delete mode 100644 test/using_block_test.exs

diff --git a/test/integration_test.exs b/test/integration_test.exs
index 364fd066..597a8fde 100644
--- a/test/integration_test.exs
+++ b/test/integration_test.exs
@@ -161,6 +161,20 @@ defmodule ConfigCat.IntegrationTest do
              "default value"
   end
 
+  defmodule CustomModule do
+    @moduledoc false
+    use ConfigCat, sdk_key: "configcat-sdk-1/PKDVCLf-Hq-h-kCzMp-L7Q/1cGEJXUwYUGZCBOL-E2sOw"
+  end
+
+  test "can call API through using block" do
+    _pid = start_supervised!(CustomModule)
+
+    :ok = CustomModule.force_refresh()
+
+    assert CustomModule.get_value("keySampleText", "default value") ==
+             "This text came from ConfigCat"
+  end
+
   defp start(sdk_key, options \\ []) do
     sdk_key
     |> Cache.generate_key()
diff --git a/test/using_block_test.exs b/test/using_block_test.exs
deleted file mode 100644
index 759333a7..00000000
--- a/test/using_block_test.exs
+++ /dev/null
@@ -1,20 +0,0 @@
-defmodule ConfigCat.UsingBlockTest do
-  # Must be async: false to avoid a collision with the integration tests.
-  # Now that we only allow a single ConfigCat instance to use the same SDK key,
-  # one of the async tests would fail due to the existing running instance.
-  use ConfigCat.Case, async: false
-
-  defmodule CustomModule do
-    @moduledoc false
-    use ConfigCat, sdk_key: "configcat-sdk-1/PKDVCLf-Hq-h-kCzMp-L7Q/1cGEJXUwYUGZCBOL-E2sOw"
-  end
-
-  test "can call API through using block" do
-    _pid = start_supervised!(CustomModule)
-
-    :ok = CustomModule.force_refresh()
-
-    assert CustomModule.get_value("keySampleText", "default value") ==
-             "This text came from ConfigCat"
-  end
-end

From 20e1260ce3254c8d58ea281f13369c163e3a193d Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Wed, 16 Oct 2024 16:11:43 +0200
Subject: [PATCH 21/27] fix module in integration_test

---
 test/integration_test.exs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/integration_test.exs b/test/integration_test.exs
index 597a8fde..57d45d4e 100644
--- a/test/integration_test.exs
+++ b/test/integration_test.exs
@@ -198,7 +198,7 @@ defmodule ConfigCat.IntegrationTest do
 
   defp clear_registry(_context) do
     ConfigCat.Registry
-    |> Registry.match({__MODULE__, :_}, :_)
+    |> Registry.match({ConfigCat.Supervisor, :_}, :_)
     |> Enum.each(fn {key, _} -> Registry.unregister(ConfigCat.Registry, key) end)
 
     :ok

From 283b4211cc9e7ad5b1277952fe3f4ffcad952a46 Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Tue, 29 Oct 2024 15:12:51 +0100
Subject: [PATCH 22/27] revert clear_registry + inline using_block_test

---
 test/integration_test.exs | 24 ------------------------
 test/using_block_test.exs | 20 ++++++++++++++++++++
 2 files changed, 20 insertions(+), 24 deletions(-)
 create mode 100644 test/using_block_test.exs

diff --git a/test/integration_test.exs b/test/integration_test.exs
index 57d45d4e..78b687b1 100644
--- a/test/integration_test.exs
+++ b/test/integration_test.exs
@@ -11,8 +11,6 @@ defmodule ConfigCat.IntegrationTest do
 
   @sdk_key "configcat-sdk-1/PKDVCLf-Hq-h-kCzMp-L7Q/1cGEJXUwYUGZCBOL-E2sOw"
 
-  setup :clear_registry
-
   describe "SDK key validation" do
     test "raises error if SDK key is missing" do
       nil
@@ -161,20 +159,6 @@ defmodule ConfigCat.IntegrationTest do
              "default value"
   end
 
-  defmodule CustomModule do
-    @moduledoc false
-    use ConfigCat, sdk_key: "configcat-sdk-1/PKDVCLf-Hq-h-kCzMp-L7Q/1cGEJXUwYUGZCBOL-E2sOw"
-  end
-
-  test "can call API through using block" do
-    _pid = start_supervised!(CustomModule)
-
-    :ok = CustomModule.force_refresh()
-
-    assert CustomModule.get_value("keySampleText", "default value") ==
-             "This text came from ConfigCat"
-  end
-
   defp start(sdk_key, options \\ []) do
     sdk_key
     |> Cache.generate_key()
@@ -195,12 +179,4 @@ defmodule ConfigCat.IntegrationTest do
 
     assert %ArgumentError{message: "SDK Key is required"} = error
   end
-
-  defp clear_registry(_context) do
-    ConfigCat.Registry
-    |> Registry.match({ConfigCat.Supervisor, :_}, :_)
-    |> Enum.each(fn {key, _} -> Registry.unregister(ConfigCat.Registry, key) end)
-
-    :ok
-  end
 end
diff --git a/test/using_block_test.exs b/test/using_block_test.exs
new file mode 100644
index 00000000..ab788d4d
--- /dev/null
+++ b/test/using_block_test.exs
@@ -0,0 +1,20 @@
+defmodule ConfigCat.UsingBlockTest do
+  # Must be async: false to avoid a collision with the integration tests.
+  # Now that we only allow a single ConfigCat instance to use the same SDK key,
+  # one of the async tests would fail due to the existing running instance.
+  use ExUnit.Case, async: false
+
+  defmodule CustomModule do
+    @moduledoc false
+    use ConfigCat, sdk_key: "configcat-sdk-1/PKDVCLf-Hq-h-kCzMp-L7Q/1cGEJXUwYUGZCBOL-E2sOw"
+  end
+
+  test "can call API through using block" do
+    _pid = start_supervised!(CustomModule)
+
+    :ok = CustomModule.force_refresh()
+
+    assert CustomModule.get_value("keySampleText", "default value") ==
+             "This text came from ConfigCat"
+  end
+end

From d093a1e2c7b8940c015f501b2a19fb25db58318f Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Wed, 30 Oct 2024 09:27:42 +0100
Subject: [PATCH 23/27] run CI tests with max-cases 1

---
 .github/workflows/elixir-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/elixir-ci.yml b/.github/workflows/elixir-ci.yml
index b42aac33..1438306c 100644
--- a/.github/workflows/elixir-ci.yml
+++ b/.github/workflows/elixir-ci.yml
@@ -58,7 +58,7 @@ jobs:
       run: mix dialyzer
 
     - name: Execute tests
-      run: mix coveralls.json --warnings-as-errors
+      run: mix coveralls.json --warnings-as-errors --max-cases 1
 
     - name: Upload coverage report
       run: bash <(curl -s https://codecov.io/bash)

From b7dd1c40ca4b7961d6ed80abfda480575ab50e59 Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Wed, 30 Oct 2024 12:48:16 +0100
Subject: [PATCH 24/27] run CI integration tests with max-cases 1

---
 .github/workflows/elixir-ci.yml | 4 +++-
 test/integration_test.exs       | 2 ++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/elixir-ci.yml b/.github/workflows/elixir-ci.yml
index 1438306c..191fef07 100644
--- a/.github/workflows/elixir-ci.yml
+++ b/.github/workflows/elixir-ci.yml
@@ -58,7 +58,9 @@ jobs:
       run: mix dialyzer
 
     - name: Execute tests
-      run: mix coveralls.json --warnings-as-errors --max-cases 1
+      run: |
+        mix coveralls.json --exclude integration --warnings-as-errors
+        mix coveralls.json --only integration --warnings-as-errors --max-cases 1
 
     - name: Upload coverage report
       run: bash <(curl -s https://codecov.io/bash)
diff --git a/test/integration_test.exs b/test/integration_test.exs
index 78b687b1..9b113489 100644
--- a/test/integration_test.exs
+++ b/test/integration_test.exs
@@ -9,6 +9,8 @@ defmodule ConfigCat.IntegrationTest do
   alias ConfigCat.InMemoryCache
   alias ConfigCat.LocalMapDataSource
 
+  @tag :integration
+
   @sdk_key "configcat-sdk-1/PKDVCLf-Hq-h-kCzMp-L7Q/1cGEJXUwYUGZCBOL-E2sOw"
 
   describe "SDK key validation" do

From 5b7642359a0544ec5829852d2848642df9853a5f Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Wed, 30 Oct 2024 13:29:29 +0100
Subject: [PATCH 25/27] CI: merge coverall reports

---
 .github/workflows/elixir-ci.yml | 4 ++--
 test/integration_test.exs       | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/elixir-ci.yml b/.github/workflows/elixir-ci.yml
index 191fef07..fc0e5af5 100644
--- a/.github/workflows/elixir-ci.yml
+++ b/.github/workflows/elixir-ci.yml
@@ -59,8 +59,8 @@ jobs:
 
     - name: Execute tests
       run: |
-        mix coveralls.json --exclude integration --warnings-as-errors
-        mix coveralls.json --only integration --warnings-as-errors --max-cases 1
+        mix test --only integration --warnings-as-errors --max-cases 1 --cover --export-coverage integration-coverage
+        mix coveralls --exclude integration --warnings-as-errors --import-cover cover
 
     - name: Upload coverage report
       run: bash <(curl -s https://codecov.io/bash)
diff --git a/test/integration_test.exs b/test/integration_test.exs
index 9b113489..44d5d3d3 100644
--- a/test/integration_test.exs
+++ b/test/integration_test.exs
@@ -9,7 +9,7 @@ defmodule ConfigCat.IntegrationTest do
   alias ConfigCat.InMemoryCache
   alias ConfigCat.LocalMapDataSource
 
-  @tag :integration
+  @moduletag :integration
 
   @sdk_key "configcat-sdk-1/PKDVCLf-Hq-h-kCzMp-L7Q/1cGEJXUwYUGZCBOL-E2sOw"
 

From 877ed289987c5c89e3b040004a36716e386fda0f Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Thu, 31 Oct 2024 09:20:28 +0100
Subject: [PATCH 26/27] remove max-cases 1

---
 .github/workflows/elixir-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/elixir-ci.yml b/.github/workflows/elixir-ci.yml
index fc0e5af5..ec5f80d1 100644
--- a/.github/workflows/elixir-ci.yml
+++ b/.github/workflows/elixir-ci.yml
@@ -59,7 +59,7 @@ jobs:
 
     - name: Execute tests
       run: |
-        mix test --only integration --warnings-as-errors --max-cases 1 --cover --export-coverage integration-coverage
+        mix test --only integration --warnings-as-errors --cover --export-coverage integration-coverage
         mix coveralls --exclude integration --warnings-as-errors --import-cover cover
 
     - name: Upload coverage report

From 1e1716c7b9c603d36098865cd33453b61255bd64 Mon Sep 17 00:00:00 2001
From: kp-cat <52385411+kp-cat@users.noreply.github.com>
Date: Fri, 1 Nov 2024 21:43:20 +0100
Subject: [PATCH 27/27] Revert "remove max-cases 1"

This reverts commit 877ed289987c5c89e3b040004a36716e386fda0f.
---
 .github/workflows/elixir-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/elixir-ci.yml b/.github/workflows/elixir-ci.yml
index ec5f80d1..fc0e5af5 100644
--- a/.github/workflows/elixir-ci.yml
+++ b/.github/workflows/elixir-ci.yml
@@ -59,7 +59,7 @@ jobs:
 
     - name: Execute tests
       run: |
-        mix test --only integration --warnings-as-errors --cover --export-coverage integration-coverage
+        mix test --only integration --warnings-as-errors --max-cases 1 --cover --export-coverage integration-coverage
         mix coveralls --exclude integration --warnings-as-errors --import-cover cover
 
     - name: Upload coverage report