Fix file layout in unit tests

Changes made in previious commit made the output of the file change,
which in turn broke the unit tests. This commit updates the fixtures to
match the new output.

tests/Composer/Test/Autoload/Fixtures/autoload_real_files_by_dependency.php

@@ -38,7 +38,8 @@ class ComposerAutoloaderInitFilesAutoloadOrder
 
         $loader->register(true);
 
-        foreach (require __DIR__ . '/autoload_files.php' as $file) {
+        $includeFiles = require __DIR__ . '/autoload_files.php';
+        foreach ($includeFiles as $file) {
             require $file;
         }
 

tests/Composer/Test/Autoload/Fixtures/autoload_real_functions.php

@@ -38,7 +38,8 @@ class ComposerAutoloaderInitFilesAutoload
 
         $loader->register(true);
 
-        foreach (require __DIR__ . '/autoload_files.php' as $file) {
+        $includeFiles = require __DIR__ . '/autoload_files.php';
+        foreach ($includeFiles as $file) {
             require $file;
         }
 

tests/Composer/Test/Autoload/Fixtures/autoload_real_target_dir.php

@@ -40,7 +40,8 @@ class ComposerAutoloaderInitTargetDir
 
         $loader->register(true);
 
-        foreach (require __DIR__ . '/autoload_files.php' as $file) {
+        $includeFiles = require __DIR__ . '/autoload_files.php';
+        foreach ($includeFiles as $file) {
             require $file;
         }