docs: def use_mock(self, mock, *args, **kwarg):
          """
          Context manager or decorator in order to use a coroutine as mock of service
          endpoint in a test.
  
          :param mock: Coroutine to use as mock. It should behave like :meth:`~ClientSession.request`.
          :type mock: coroutine
          :param service_name: Name of service where you want to use mock. If None it will be used
              as soon as possible.
          :type service_name: str
          :param endpoint: Endpoint where you want to use mock. If None it will be used
              as soon as possible.
          :type endpoint: str
          :param offset: Times it must be ignored before use. Default 0. Only positive integers.
          :type offset: int
          :param limit: Times it could be used. Default 1. 0 means no limit. Only positive integers.
          :type limit: int
          :return: UseMockDefinition
          """
          return UseMockDefinition(mock, self, *args, **kwarg)