Fix new test_index_anon API test

Author: nsoranzo

lib/galaxy_test/api/test_users.py

@@ -47,12 +47,10 @@ def test_index(self):
         all_deleted_users = all_deleted_users_response_2.json()
         assert len([u for u in all_deleted_users if u["email"] == TEST_USER_EMAIL_INDEX_DELETED]) == 1
 
-    @requires_admin
-    @requires_new_user
     def test_index_anon(self):
-        user = self._setup_user(TEST_USER_EMAIL_INDEX_DELETED)
         with self._different_user(anon=True):
             all_users_response = self._get("users")
+            self._assert_status_code_is(all_users_response, 403)
 
     @requires_new_user
     def test_index_only_self_for_nonadmins(self):