Reset the active user to admin in all test cases where we change the

user to something else.

modules/comment/tests/Comment_Model_Test.php

@@ -18,6 +18,9 @@
  * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
  */
 class Comment_Model_Test extends Gallery_Unit_Test_Case {
+  public function teardown() {
+    identity::set_active_user(identity::admin_user());
+  }
 
   public function cant_view_comments_for_unviewable_items_test() {
     $album = test::random_album();