Revert "Adding fixing broken configuration test for mysql-router"

zaza/openstack/charm_tests/mysql/tests.py

@@ -1145,66 +1145,3 @@ def test_910_restart_on_config_change(self):
             {}, {},
             self.services)
         logging.info("Passed restart on changed test.")
-
-    def test_920_mysqlrouter_conf_broken(self):
-        """Checking conf broken case.
-
-        Run the bootstrap when conf is broken
-        """
-        # application_name on test is keystone-mysql-router
-        # using self.conf_file introduces error.
-        # instead of changing current self.conf_file,
-        # define one (it could introduce another issue)
-        config_file = (
-            "/var/lib/mysql/{}/mysqlrouter.conf"
-            .format(self.application_name))
-
-        logging.info("Starting broken conf test")
-
-        # put empty string to conf_file and make it wrong
-        logging.info("Breaking configuration file")
-        zaza.model.run_on_leader(self.application,
-                                 "echo '[DEFAULT]\n \
-                                        [metadata_cache:[\\w$]+$] \
-                                        ' > {}".format(
-                                     config_file))
-
-        logging.info("Getting configuration file")
-        recovered = zaza.model.run_on_leader(self.application,
-                                             "cat {}".format(
-                                                 config_file))['Stdout']
-
-        # Checking conf file length,
-        # if file is broken it is around 250
-        assert len(recovered) < 1000, (
-            "Breaking mysqlrouter conf failed.")
-
-        # verify it is in error state
-        for attempt in tenacity.Retrying(
-            reraise=True,
-            wait=tenacity.wait_fixed(10),
-            stop=tenacity.stop_after_attempt(30),
-        ):
-            with attempt:
-                # update status to make the status error
-                logging.info("Run update-status")
-                self.run_update_status_hooks(['keystone-mysql-router/0'])
-
-                # get current status
-                unit_status = (zaza.model.get_status()
-                               .applications
-                               ['keystone-mysql-router']['status'])
-                logging.info("Status:{}".format(unit_status['status']))
-                self.assertEqual(unit_status['status'], "active")
-
-        logging.info("Getting configuration file")
-        recovered = zaza.model.run_on_leader(self.application,
-                                             "cat {}".format(
-                                                 config_file))['Stdout']
-
-        # Checking conf file length,
-        # if file is broken it is around 250
-        assert len(recovered) > 1000, (
-            "Fixing mysqlrouter conf failed.")
-
-        logging.info("Passed broken conf test.")