diff --git a/InpsydeTemplates/ruleset.xml b/InpsydeTemplates/ruleset.xml
index 098918e..56286fb 100644
--- a/InpsydeTemplates/ruleset.xml
+++ b/InpsydeTemplates/ruleset.xml
@@ -3,8 +3,6 @@
 
     <description>Coding standards for PHP templates.</description>
 
-    <rule ref="Inpsyde">
-        <exclude name="Inpsyde.CodeQuality.NoElse" />
-    </rule>
+    <rule ref="Inpsyde" />
 
 </ruleset>
diff --git a/README.md b/README.md
index 9938325..a75af07 100644
--- a/README.md
+++ b/README.md
@@ -184,8 +184,7 @@ For **notes and configuration** see [`/inpsyde-custom-sniffs.md`](/inpsyde-custo
 
 ## Template Rules
 
-The `InpsydeTemplates` ruleset extends the standard `Inpsyde` ruleset with some template-specific
-sniffs while disabling some rules that are not useful in templating context.
+The `InpsydeTemplates` ruleset extends the standard `Inpsyde` ruleset with some template-specific sniffs.
 
 The recommended way to use the `InpsydeTemplates` ruleset is as follows:
 
@@ -196,10 +195,7 @@ The recommended way to use the `InpsydeTemplates` ruleset is as follows:
     <file>./templates</file>
     <file>./views</file>
 
-    <rule ref="Inpsyde">
-        <exclude-pattern>*/templates/*</exclude-pattern>
-        <exclude-pattern>*/views/*</exclude-pattern>
-    </rule>
+    <rule ref="Inpsyde" />
 
     <rule ref="InpsydeTemplates">
         <include-pattern>*/templates/*</include-pattern>
@@ -207,8 +203,6 @@ The recommended way to use the `InpsydeTemplates` ruleset is as follows:
     </rule>
 </ruleset>
 ```
-The following `Inpsyde` rules are disabled:
-* `NoElse`
 
 The following templates-specific rules are available:
 
diff --git a/composer.json b/composer.json
index fe89f1a..0c9dd94 100644
--- a/composer.json
+++ b/composer.json
@@ -50,7 +50,8 @@
         "psr-4": {
             "Inpsyde\\CodingStandard\\Tests\\": [
                 "tests/src/",
-                "tests/cases/"
+                "tests/unit/cases",
+                "tests/e2e/cases"
             ]
         }
     },
diff --git a/phpcs.xml b/phpcs.xml
index deef883..bd37844 100644
--- a/phpcs.xml
+++ b/phpcs.xml
@@ -6,7 +6,8 @@
     <file>./Inpsyde/Helpers</file>
     <file>./Inpsyde/Sniffs</file>
     <file>./tests/src</file>
-    <file>./tests/cases</file>
+    <file>./tests/unit/cases</file>
+    <file>./tests/e2e/cases</file>
 
     <!--
     PHP 7.4 and higher.
@@ -24,7 +25,17 @@
     </rule>
 
     <rule ref="Inpsyde.CodeQuality.FunctionLength">
-        <exclude-pattern>./tests/cases/</exclude-pattern>
+        <exclude-pattern>./tests/unit/cases/</exclude-pattern>
+    </rule>
+
+    <rule ref="Inpsyde.CodeQuality.Psr4">
+        <exclude-pattern>./Inpsyde/Sniffs/</exclude-pattern>
+        <properties>
+            <property name="psr4" type="array">
+                <element key="Inpsyde\CodingStandard\Helpers" value="Inpsyde/Helpers"/>
+                <element key="Inpsyde\CodingStandard\Tests" value="tests/src|tests/unit/cases|tests/e2e/cases"/>
+            </property>
+        </properties>
     </rule>
 
 </ruleset>
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 826c5fa..2e160a3 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -11,10 +11,13 @@
     </coverage>
     <testsuites>
         <testsuite name="fixtures">
-            <file>tests/cases/FixturesTest.php</file>
+            <file>tests/unit/cases/FixturesTest.php</file>
         </testsuite>
         <testsuite name="helpers">
-            <directory>tests/cases/Helpers</directory>
+            <directory>tests/unit/cases/Helpers</directory>
+        </testsuite>
+        <testsuite name="e2e">
+            <directory>tests/e2e/cases</directory>
         </testsuite>
     </testsuites>
 </phpunit>
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index ea8ee05..3effb55 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -37,7 +37,7 @@
 
 putenv("LIB_PATH={$libDir}");
 putenv('SNIFFS_NAMESPACE=Inpsyde\\Sniffs');
-putenv("FIXTURES_PATH={$testsDir}/fixtures");
+putenv("FIXTURES_PATH={$testsDir}/unit/fixtures");
 
 if (!defined('PHPUNIT_COMPOSER_INSTALL')) {
     define('PHPUNIT_COMPOSER_INSTALL', $autoload);
diff --git a/tests/e2e/cases/E2eTest.php b/tests/e2e/cases/E2eTest.php
new file mode 100644
index 0000000..b676fb4
--- /dev/null
+++ b/tests/e2e/cases/E2eTest.php
@@ -0,0 +1,102 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Inpsyde\CodingStandard\Tests;
+
+use RuntimeException;
+
+class E2eTest extends TestCase
+{
+    private string $testPackagePath = '';
+    private string $phpCsBinary = '';
+
+    protected function setUp(): void
+    {
+        $libPath = (string) getenv('LIB_PATH');
+        $this->testPackagePath = $libPath . '/tests/e2e/fixtures/test-package';
+        $this->phpCsBinary = $libPath . '/vendor/bin/phpcs';
+    }
+
+    public function testInpsydeAndTemplatesRulesets(): void
+    {
+        $output = [];
+        // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.system_calls_exec
+        exec(
+            sprintf(
+                'cd %s && %s',
+                $this->testPackagePath,
+                $this->phpCsBinary
+            ),
+            $output
+        );
+
+        /** @var array<string> $output> */
+        if ($output[0] !== 'EE 2 / 2 (100%)') {
+            throw new RuntimeException(implode("\n", $output));
+        }
+
+        $json = end($output);
+
+        // phpcs:disable Inpsyde.CodeQuality.LineLength.TooLong
+        $expectedMessages = [
+            'index.php' => [
+                [
+                    'source' => 'Inpsyde.CodeQuality.NoElse.ElseFound',
+                    'line' => 12,
+                ],
+                [
+                    'source' => 'WordPress.Security.EscapeOutput.OutputNotEscaped',
+                    'line' => 13,
+                ],
+            ],
+            'template.php' => [
+
+                [
+                    'source' => 'WordPress.Security.EscapeOutput.OutputNotEscaped',
+                    'line' => 12,
+                ],
+                [
+                    'source' => 'InpsydeTemplates.Formatting.TrailingSemicolon.Found',
+                    'line' => 12,
+                ],
+                [
+                    'source' => 'Inpsyde.CodeQuality.DisableCallUserFunc.call_user_func_call_user_func',
+                    'line' => 15,
+                ],
+
+            ],
+        ];
+        // phpcs:enable Inpsyde.CodeQuality.LineLength.TooLong
+
+        self::assertSame($expectedMessages, $this->phpCsMessages($json));
+    }
+
+    /**
+     * @psalm-return array<string, list<array{source: string, line: positive-int}>>
+     */
+    private function phpCsMessages(string $json): array
+    {
+        /** @var array{
+         *     files: array<string, array{
+         *         messages: list<array{
+         *             source: string,
+         *             line: positive-int,
+         *             ...
+         *             }>
+         *        }>
+         *     } $data */
+        $data = json_decode($json, true, 512, JSON_THROW_ON_ERROR);
+
+        $result = [];
+        foreach ($data['files'] as $fileName => $fileData) {
+            $baseName = basename($fileName);
+            $result[$baseName] = [];
+            foreach ($fileData['messages'] as ['source' => $source, 'line' => $line]) {
+                $result[$baseName][] = ['source' => $source, 'line' => $line];
+            }
+        }
+
+        return $result;
+    }
+}
diff --git a/tests/e2e/fixtures/test-package/index.php b/tests/e2e/fixtures/test-package/index.php
new file mode 100644
index 0000000..9193c39
--- /dev/null
+++ b/tests/e2e/fixtures/test-package/index.php
@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+
+$value = rand(0, 1);
+
+$successMessage = 'Success!';
+$errorMessage = 'Error!';
+
+if ($value > 0.5) {
+    echo esc_html($successMessage);
+} else {
+    echo $errorMessage;
+}
diff --git a/tests/e2e/fixtures/test-package/phpcs.xml b/tests/e2e/fixtures/test-package/phpcs.xml
new file mode 100644
index 0000000..70eccce
--- /dev/null
+++ b/tests/e2e/fixtures/test-package/phpcs.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0"?>
+<ruleset name="Coding Standard Test">
+
+    <file>./index.php</file>
+    <file>./templates</file>
+
+    <arg value="sp"/>
+    <arg name="report" value="json"/>
+
+    <rule ref="Inpsyde"/>
+
+    <rule ref="Inpsyde.CodeQuality.NoElse">
+        <exclude-pattern>*/templates/*</exclude-pattern>
+    </rule>
+
+    <rule ref="InpsydeTemplates">
+        <include-pattern>*/templates/*</include-pattern>
+    </rule>
+
+</ruleset>
diff --git a/tests/e2e/fixtures/test-package/templates/template.php b/tests/e2e/fixtures/test-package/templates/template.php
new file mode 100644
index 0000000..2ebddc0
--- /dev/null
+++ b/tests/e2e/fixtures/test-package/templates/template.php
@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+$value = rand(0, 1);
+$successMessage = 'Success!';
+$errorMessage = 'Error!' ?>
+
+<?php if ($value > 0.5) : ?>
+    <?= esc_html($successMessage) ?>
+<?php else : ?>
+    <?= $errorMessage; ?>
+<?php endif;
+
+call_user_func('strtolower', 'foo');
\ No newline at end of file
diff --git a/tests/cases/FixturesTest.php b/tests/unit/cases/FixturesTest.php
similarity index 100%
rename from tests/cases/FixturesTest.php
rename to tests/unit/cases/FixturesTest.php
diff --git a/tests/cases/Helpers/FunctionDocBlocTest.php b/tests/unit/cases/Helpers/FunctionDocBlocTest.php
similarity index 100%
rename from tests/cases/Helpers/FunctionDocBlocTest.php
rename to tests/unit/cases/Helpers/FunctionDocBlocTest.php
diff --git a/tests/cases/Helpers/FunctionReturnStatementTest.php b/tests/unit/cases/Helpers/FunctionReturnStatementTest.php
similarity index 100%
rename from tests/cases/Helpers/FunctionReturnStatementTest.php
rename to tests/unit/cases/Helpers/FunctionReturnStatementTest.php
diff --git a/tests/cases/Helpers/FunctionsTest.php b/tests/unit/cases/Helpers/FunctionsTest.php
similarity index 100%
rename from tests/cases/Helpers/FunctionsTest.php
rename to tests/unit/cases/Helpers/FunctionsTest.php
diff --git a/tests/cases/Helpers/MiscTest.php b/tests/unit/cases/Helpers/MiscTest.php
similarity index 100%
rename from tests/cases/Helpers/MiscTest.php
rename to tests/unit/cases/Helpers/MiscTest.php
diff --git a/tests/cases/Helpers/NamesTest.php b/tests/unit/cases/Helpers/NamesTest.php
similarity index 100%
rename from tests/cases/Helpers/NamesTest.php
rename to tests/unit/cases/Helpers/NamesTest.php
diff --git a/tests/cases/Helpers/ObjectsTest.php b/tests/unit/cases/Helpers/ObjectsTest.php
similarity index 100%
rename from tests/cases/Helpers/ObjectsTest.php
rename to tests/unit/cases/Helpers/ObjectsTest.php
diff --git a/tests/cases/Helpers/WpHooksTest.php b/tests/unit/cases/Helpers/WpHooksTest.php
similarity index 100%
rename from tests/cases/Helpers/WpHooksTest.php
rename to tests/unit/cases/Helpers/WpHooksTest.php
diff --git a/tests/fixtures/Psr4Fixture.php b/tests/unit/fixtures/Psr4Fixture.php
similarity index 92%
rename from tests/fixtures/Psr4Fixture.php
rename to tests/unit/fixtures/Psr4Fixture.php
index f3b1f60..423bc13 100644
--- a/tests/fixtures/Psr4Fixture.php
+++ b/tests/unit/fixtures/Psr4Fixture.php
@@ -4,7 +4,7 @@
 namespace {
 
     // @phpcsSniffPropertiesStart
-    $psr4 = ["\\Inpsyde\\CodingStandard\\Tests\\" => "tests/"];
+    $psr4 = ["\\Inpsyde\\CodingStandard\\Tests\\" => "tests/unit"];
     $exclude = ["\\I\\Am\\Excluded\\Psr4Fixture"];
     // @phpcsSniffPropertiesEnd
 }
diff --git a/tests/fixtures/argument-type-declaration.php b/tests/unit/fixtures/argument-type-declaration.php
similarity index 100%
rename from tests/fixtures/argument-type-declaration.php
rename to tests/unit/fixtures/argument-type-declaration.php
diff --git a/tests/fixtures/disable-call-user-func.php b/tests/unit/fixtures/disable-call-user-func.php
similarity index 100%
rename from tests/fixtures/disable-call-user-func.php
rename to tests/unit/fixtures/disable-call-user-func.php
diff --git a/tests/fixtures/disallow-magic-serialize.php b/tests/unit/fixtures/disallow-magic-serialize.php
similarity index 100%
rename from tests/fixtures/disallow-magic-serialize.php
rename to tests/unit/fixtures/disallow-magic-serialize.php
diff --git a/tests/fixtures/disallow-short-open-tag.php b/tests/unit/fixtures/disallow-short-open-tag.php
similarity index 100%
rename from tests/fixtures/disallow-short-open-tag.php
rename to tests/unit/fixtures/disallow-short-open-tag.php
diff --git a/tests/fixtures/element-name-minimal-length.php b/tests/unit/fixtures/element-name-minimal-length.php
similarity index 100%
rename from tests/fixtures/element-name-minimal-length.php
rename to tests/unit/fixtures/element-name-minimal-length.php
diff --git a/tests/fixtures/encoding-comment.php b/tests/unit/fixtures/encoding-comment.php
similarity index 100%
rename from tests/fixtures/encoding-comment.php
rename to tests/unit/fixtures/encoding-comment.php
diff --git a/tests/fixtures/forbidden-public-property.php b/tests/unit/fixtures/forbidden-public-property.php
similarity index 100%
rename from tests/fixtures/forbidden-public-property.php
rename to tests/unit/fixtures/forbidden-public-property.php
diff --git a/tests/fixtures/function-body-start.php b/tests/unit/fixtures/function-body-start.php
similarity index 100%
rename from tests/fixtures/function-body-start.php
rename to tests/unit/fixtures/function-body-start.php
diff --git a/tests/fixtures/function-length-no-blank-lines.php b/tests/unit/fixtures/function-length-no-blank-lines.php
similarity index 100%
rename from tests/fixtures/function-length-no-blank-lines.php
rename to tests/unit/fixtures/function-length-no-blank-lines.php
diff --git a/tests/fixtures/function-length-no-comments.php b/tests/unit/fixtures/function-length-no-comments.php
similarity index 100%
rename from tests/fixtures/function-length-no-comments.php
rename to tests/unit/fixtures/function-length-no-comments.php
diff --git a/tests/fixtures/function-length.php b/tests/unit/fixtures/function-length.php
similarity index 100%
rename from tests/fixtures/function-length.php
rename to tests/unit/fixtures/function-length.php
diff --git a/tests/fixtures/hook-closure-return.php b/tests/unit/fixtures/hook-closure-return.php
similarity index 100%
rename from tests/fixtures/hook-closure-return.php
rename to tests/unit/fixtures/hook-closure-return.php
diff --git a/tests/fixtures/hook-priority.php b/tests/unit/fixtures/hook-priority.php
similarity index 100%
rename from tests/fixtures/hook-priority.php
rename to tests/unit/fixtures/hook-priority.php
diff --git a/tests/fixtures/line-length.php b/tests/unit/fixtures/line-length.php
similarity index 100%
rename from tests/fixtures/line-length.php
rename to tests/unit/fixtures/line-length.php
diff --git a/tests/fixtures/nesting-level.php b/tests/unit/fixtures/nesting-level.php
similarity index 100%
rename from tests/fixtures/nesting-level.php
rename to tests/unit/fixtures/nesting-level.php
diff --git a/tests/fixtures/no-accessors.php b/tests/unit/fixtures/no-accessors.php
similarity index 100%
rename from tests/fixtures/no-accessors.php
rename to tests/unit/fixtures/no-accessors.php
diff --git a/tests/fixtures/no-else.php b/tests/unit/fixtures/no-else.php
similarity index 100%
rename from tests/fixtures/no-else.php
rename to tests/unit/fixtures/no-else.php
diff --git a/tests/fixtures/no-root-namespace-functions-multi.php b/tests/unit/fixtures/no-root-namespace-functions-multi.php
similarity index 100%
rename from tests/fixtures/no-root-namespace-functions-multi.php
rename to tests/unit/fixtures/no-root-namespace-functions-multi.php
diff --git a/tests/fixtures/no-root-namespace-functions-single.php b/tests/unit/fixtures/no-root-namespace-functions-single.php
similarity index 100%
rename from tests/fixtures/no-root-namespace-functions-single.php
rename to tests/unit/fixtures/no-root-namespace-functions-single.php
diff --git a/tests/fixtures/no-top-level-define.php b/tests/unit/fixtures/no-top-level-define.php
similarity index 100%
rename from tests/fixtures/no-top-level-define.php
rename to tests/unit/fixtures/no-top-level-define.php
diff --git a/tests/fixtures/property-per-class-limit.php b/tests/unit/fixtures/property-per-class-limit.php
similarity index 100%
rename from tests/fixtures/property-per-class-limit.php
rename to tests/unit/fixtures/property-per-class-limit.php
diff --git a/tests/fixtures/return-type-declaration.php b/tests/unit/fixtures/return-type-declaration.php
similarity index 100%
rename from tests/fixtures/return-type-declaration.php
rename to tests/unit/fixtures/return-type-declaration.php
diff --git a/tests/fixtures/static-closure.php b/tests/unit/fixtures/static-closure.php
similarity index 100%
rename from tests/fixtures/static-closure.php
rename to tests/unit/fixtures/static-closure.php
diff --git a/tests/fixtures/trailing-semicolon.php b/tests/unit/fixtures/trailing-semicolon.php
similarity index 100%
rename from tests/fixtures/trailing-semicolon.php
rename to tests/unit/fixtures/trailing-semicolon.php
diff --git a/tests/fixtures/var-names-camel-case.php b/tests/unit/fixtures/var-names-camel-case.php
similarity index 100%
rename from tests/fixtures/var-names-camel-case.php
rename to tests/unit/fixtures/var-names-camel-case.php
diff --git a/tests/fixtures/var-names-no-local.php b/tests/unit/fixtures/var-names-no-local.php
similarity index 100%
rename from tests/fixtures/var-names-no-local.php
rename to tests/unit/fixtures/var-names-no-local.php
diff --git a/tests/fixtures/var-names-no-props.php b/tests/unit/fixtures/var-names-no-props.php
similarity index 100%
rename from tests/fixtures/var-names-no-props.php
rename to tests/unit/fixtures/var-names-no-props.php
diff --git a/tests/fixtures/var-names-snake-case.php b/tests/unit/fixtures/var-names-snake-case.php
similarity index 100%
rename from tests/fixtures/var-names-snake-case.php
rename to tests/unit/fixtures/var-names-snake-case.php