In Phabricator, disregard src/extensions for unit tests

Summary: See D9834. Phabricator flavor.

Test Plan: See D9834.

Reviewers: joshuaspence

Reviewed By: joshuaspence

Subscribers: epriestley

Differential Revision: https://secure.phabricator.com/D9836

src/__tests__/PhabricatorInfrastructureTestCase.php

@@ -31,7 +31,8 @@ final class PhabricatorInfrastructureTestCase extends PhabricatorTestCase {
       ->buildMap();
 
     $bootloader = PhutilBootloader::getInstance();
-    $old_library_map = $bootloader->getLibraryMap('phabricator');
+    $old_library_map = $bootloader->getLibraryMapWithoutExtensions(
+      'phabricator');
     unset($old_library_map[PhutilLibraryMapBuilder::LIBRARY_MAP_VERSION_KEY]);
 
     $this->assertEqual(