add copyright and description to autoloaders mocks

tests/integration/autoloader/autoload-with-composer/vendor/autoload.php

@@ -1 +1,12 @@
+<?php
+/*
+ * Copyright 2020 New Relic Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/*DESCRIPTION
+This file is the usual entry point for installing and using PSR-4 Autoloader.
+The agent verifies its presence to determine if PSR-4 Autoloader is used.
+*/
+
 echo "";

tests/integration/autoloader/autoload-with-composer/vendor/composer/InstalledVersions.php

@@ -1,4 +1,13 @@
 <?php
+/*
+ * Copyright 2020 New Relic Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/*DESCRIPTION
+This file is the core of real Composer's runtime API, and agent verifies its presence to determine if Composer is used.
+It contains \Composer\InstalledVersions class with methods used by the agent to get the installed packages and their versions.
+*/
 
 namespace Composer;
 class InstalledVersions

tests/integration/autoloader/autoload-with-composer/vendor/composer/autoload_real.php

@@ -0,0 +1,9 @@
+<?php
+/*
+ * Copyright 2020 New Relic Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/*DESCRIPTION
+This file is needed by real Composer's Autoload functionality, and agent uses its presence to determine if Composer is used.
+*/

tests/integration/autoloader/autoload-without-composer/vendor/autoload.php

@@ -1 +1,12 @@
+<?php
+/*
+ * Copyright 2020 New Relic Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/*DESCRIPTION
+This file is the usual entry point for installing and using PSR-4 Autoloader.
+The agent verifies its presence to determine if PSR-4 Autoloader is used.
+*/
+
 echo "";