@Test
  public void deveConfigurarORetornoParaDirectMessage() {
    SlackContactService service = SlackContactService.getInstance(gerenciadorSpy);

    SlackData slackData = new SlackData();
    slackData.setUsername("Lucas Ventura");

    SlackMessage retorno = processaDadosSlack(service, slackData);

    assertEquals("@Lucas Ventura", retorno.getChannel());
  }