'Test setting the hold mode off/false.'

def test_set_hold_mode_none(self):

    climate.set_hold_mode(self.hass, None, ENTITY_ECOBEE)
    self.hass.block_till_done()
    state = self.hass.states.get(ENTITY_ECOBEE)
    self.assertEqual(None, state.attributes.get('hold_mode'))
