MAGETWO-67871: Requesting autogenerated classes that are not in constructor cause fatal errors in production mode

- add missing test files

Author: Igor Melnikov

dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/_files/extra_whitespaces.txt

@@ -0,0 +1,9 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+class  Foo  implements InterfaceName
+{
+}

dev/tests/static/framework/tests/unit/testsuite/Magento/TestFramework/Utility/_files/implements_keyword_on_different_line.txt

@@ -0,0 +1,10 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+class Foo
+    implements InterfaceName
+{
+}