Fix for remove verbose option

This commit[1] has removed verbose option due to which our ut's are failing.
This patch is fixing this issue.

[1] https://review.openstack.org/#/c/444217/

Change-Id: I784a7f855f42de462e8fc8f829f5526e1483dab4

watcher/tests/conf_fixture.py

@@ -36,7 +36,6 @@ class ConfFixture(fixtures.Fixture):
 
         self.conf.set_default('connection', "sqlite://", group='database')
         self.conf.set_default('sqlite_synchronous', False, group='database')
-        self.conf.set_default('verbose', True)
         config.parse_args([], default_config_files=[])
         self.addCleanup(self.conf.reset)