diff --git a/phpunit.xml b/phpunit.xml
deleted file mode 100644
index a0ba0721..00000000
--- a/phpunit.xml
+++ /dev/null
@@ -1,26 +0,0 @@
-
-
-
-
- tests/Unit
-
-
-
-
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 447a7e3c..c80bb641 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -17,6 +17,9 @@
tests/Unit
+
+ tests/Arch
+
diff --git a/tests/Arch/DebugTest.php b/tests/Arch/DebugTest.php
new file mode 100644
index 00000000..27f705f9
--- /dev/null
+++ b/tests/Arch/DebugTest.php
@@ -0,0 +1,8 @@
+expect(['dd', 'exit', 'die', 'var_dump', 'echo', 'print'])
+ ->not
+ ->toBeUsed();