def test__find_characteristic_in_pairing_data__found(self):
     pairing_data = self._create_pairing_data()
     pairing = BlePairing(pairing_data)
     result = pairing._find_characteristic_in_pairing_data(1, 2)
     self.assertIsNotNone(result)
     self.assertIn('format', result)
     self.assertEqual('bool', result['format'])
 def test__find_characteristic_in_pairing_data__not_found(self):
     pairing_data = self._create_pairing_data()
     pairing = BlePairing(pairing_data)
     result = pairing._find_characteristic_in_pairing_data(1, 1)
     self.assertIsNone(result)