'Test Python API set_state.'

def test_remove_state(self):

    hass.states.set('test.remove_state', 'set_test')
    self.assertIn('test.remove_state', hass.states.entity_ids())
    remote.remove_state(master_api, 'test.remove_state')
    self.assertNotIn('test.remove_state', hass.states.entity_ids())
