Switch test cases to sudo dependent

KeepalivedManagerTestCase and BridgeMonitorTestCase both depend on sudo
privileges.

Change-Id: I5de14f3e2f969ab6bd5882b2c740afaba11eb957

neutron/tests/functional/agent/linux/test_keepalived.py

@@ -26,7 +26,7 @@ from neutron.tests.functional import base
 from neutron.tests.unit.agent.linux import test_keepalived
 
 
-class KeepalivedManagerTestCase(base.BaseLoggingTestCase,
+class KeepalivedManagerTestCase(base.BaseSudoTestCase,
                                 test_keepalived.KeepalivedConfBaseMixin):
 
     def setUp(self):

neutron/tests/functional/agent/ovsdb/native/test_connection.py

@@ -45,7 +45,7 @@ class WaitForBridgesEvent(event.RowEvent):
         return self.event.wait(self.timeout)
 
 
-class BridgeMonitorTestCase(base.BaseLoggingTestCase):
+class BridgeMonitorTestCase(base.BaseSudoTestCase):
 
     def _delete_bridges(self, bridges):
         for bridge in bridges: