def METHOD_NAME(self):
    self.obj.db.test = {"a": True}
    self.obj.db.test.update({"b": False})
    self.assertEqual(self.obj.db.test, {"a": True, "b": False})
    self.obj.db.test |= {"c": 5}
    self.assertEqual(self.obj.db.test, {"a": True, "b": False, "c": 5})