diff --git a/tests/Composer/Test/Autoload/Fixtures/autoload_real_files_by_dependency.php b/tests/Composer/Test/Autoload/Fixtures/autoload_real_files_by_dependency.php
index 390bff3bd..5f8cb74fc 100644
--- a/tests/Composer/Test/Autoload/Fixtures/autoload_real_files_by_dependency.php
+++ b/tests/Composer/Test/Autoload/Fixtures/autoload_real_files_by_dependency.php
@@ -63,6 +63,11 @@ class ComposerAutoloaderInitFilesAutoloadOrder
     }
 }
 
+/**
+ * @param string $fileIdentifier
+ * @param string $file
+ * @return void
+ */
 function composerRequireFilesAutoloadOrder($fileIdentifier, $file)
 {
     if (empty($GLOBALS['__composer_autoload_files'][$fileIdentifier])) {
diff --git a/tests/Composer/Test/Autoload/Fixtures/autoload_real_functions.php b/tests/Composer/Test/Autoload/Fixtures/autoload_real_functions.php
index 71397e2f5..87175ab6c 100644
--- a/tests/Composer/Test/Autoload/Fixtures/autoload_real_functions.php
+++ b/tests/Composer/Test/Autoload/Fixtures/autoload_real_functions.php
@@ -63,6 +63,11 @@ class ComposerAutoloaderInitFilesAutoload
     }
 }
 
+/**
+ * @param string $fileIdentifier
+ * @param string $file
+ * @return void
+ */
 function composerRequireFilesAutoload($fileIdentifier, $file)
 {
     if (empty($GLOBALS['__composer_autoload_files'][$fileIdentifier])) {
diff --git a/tests/Composer/Test/Autoload/Fixtures/autoload_real_functions_with_include_paths.php b/tests/Composer/Test/Autoload/Fixtures/autoload_real_functions_with_include_paths.php
index 47bb48f7f..692a0d9af 100644
--- a/tests/Composer/Test/Autoload/Fixtures/autoload_real_functions_with_include_paths.php
+++ b/tests/Composer/Test/Autoload/Fixtures/autoload_real_functions_with_include_paths.php
@@ -67,6 +67,11 @@ class ComposerAutoloaderInitFilesAutoload
     }
 }
 
+/**
+ * @param string $fileIdentifier
+ * @param string $file
+ * @return void
+ */
 function composerRequireFilesAutoload($fileIdentifier, $file)
 {
     if (empty($GLOBALS['__composer_autoload_files'][$fileIdentifier])) {
diff --git a/tests/Composer/Test/Autoload/Fixtures/autoload_real_target_dir.php b/tests/Composer/Test/Autoload/Fixtures/autoload_real_target_dir.php
index 7b6b58bf9..397ab52e6 100644
--- a/tests/Composer/Test/Autoload/Fixtures/autoload_real_target_dir.php
+++ b/tests/Composer/Test/Autoload/Fixtures/autoload_real_target_dir.php
@@ -83,6 +83,11 @@ class ComposerAutoloaderInitTargetDir
     }
 }
 
+/**
+ * @param string $fileIdentifier
+ * @param string $file
+ * @return void
+ */
 function composerRequireTargetDir($fileIdentifier, $file)
 {
     if (empty($GLOBALS['__composer_autoload_files'][$fileIdentifier])) {