'Test setting the axillary heater on/true.'

def test_set_aux_heat_on(self):

    climate.set_aux_heat(self.hass, True, ENTITY_CLIMATE)
    self.hass.block_till_done()
    state = self.hass.states.get(ENTITY_CLIMATE)
    self.assertEqual('on', state.attributes.get('aux_heat'))
