'Set up things to be run when tests are started.'

def setUp(self):

    self.hass = get_test_home_assistant()
    self.time_zone = dt_util.get_time_zone('America/New_York')
    config = {'sensor': {'platform': 'worldclock', 'time_zone': 'America/New_York'}}
    self.assertTrue(setup_component(self.hass, 'sensor', config))
