diff --git a/tests/TestConfig.php b/tests/TestConfig.php
index dc7208741..967e4db1d 100644
--- a/tests/TestConfig.php
+++ b/tests/TestConfig.php
@@ -57,10 +57,7 @@ class TestConfig extends Config
                 </projectFiles>';
     }
 
-    /**
-     * @return false
-     */
-    public function getComposerFilePathForClassLike(string $fq_classlike_name): bool
+    public function getComposerFilePathForClassLike(string $fq_classlike_name): string|false
     {
         return false;
     }