diff --git a/composer.json b/composer.json
index db3a11a97..ca85d580d 100644
--- a/composer.json
+++ b/composer.json
@@ -49,7 +49,7 @@
     },
     "autoload-dev": {
         "files": [
-          "tests/Assets/HeaderFunctions.php"
+          "tests/Assets/PhpFunctionOverrides.php"
         ]
     },
     "scripts": {
diff --git a/tests/Assets/HeaderFunctions.php b/tests/Assets/PhpFunctionOverrides.php
similarity index 100%
rename from tests/Assets/HeaderFunctions.php
rename to tests/Assets/PhpFunctionOverrides.php