def METHOD_NAME(self):
    self.add_msg_response("channel_not_found")
    self.add_list_response(
        "users",
        [
            {"name": "first-morty", "id": "m", "profile": {"display_name": "Morty"}},
            {"name": "other-user", "id": "o-u", "profile": {"display_name": "Jimbob"}},
            {"name": "better_morty", "id": "bm", "profile": {"display_name": "Morty"}},
        ],
        result_name="members",
    )
    self.run_valid_test("@first-morty", MEMBER_PREFIX, "m", False)