async def METHOD_NAME(self, mock_conn_mgr, request_context):
    mock_conn_mgr.return_value.accept_response = async_mock.CoroutineMock()
    request_context.message = ConnectionResponse()
    handler_inst = handler.ConnectionResponseHandler()
    responder = MockResponder()
    await handler_inst.handle(request_context, responder)
    mock_conn_mgr.return_value.accept_response.assert_called_once_with(
        request_context.message, request_context.message_receipt
    )
    assert not responder.messages