def METHOD_NAME(self):
    mac_address = self.yeti_client.observable_add("00:00:00:00:00:00")
    if not mac_address:
        self.assertIsNotNone(mac_address)
    mac_address_added = self.yeti_client.observable_search(
        value="00:00:00:00:00:00"
    )
    if not mac_address_added:
        self.assertIsNotNone(mac_address_added)
    self.assertEqual(mac_address_added[0]["value"], "00:00:00:00:00:00")