@Test
  public void testPresenceOfProperties() throws Exception {
    assertThat(sensor.missingMandatoryParameters()).isEqualTo(false);

    settings.removeProperty(JiraConstants.PASSWORD_PROPERTY);
    sensor = new JiraSensor(settings);
    assertThat(sensor.missingMandatoryParameters()).isEqualTo(true);

    settings.removeProperty(JiraConstants.USERNAME_PROPERTY);
    sensor = new JiraSensor(settings);
    assertThat(sensor.missingMandatoryParameters()).isEqualTo(true);

    settings.removeProperty(JiraConstants.FILTER_PROPERTY);
    sensor = new JiraSensor(settings);
    assertThat(sensor.missingMandatoryParameters()).isEqualTo(true);

    settings.removeProperty(JiraConstants.SERVER_URL_PROPERTY);
    sensor = new JiraSensor(settings);
    assertThat(sensor.missingMandatoryParameters()).isEqualTo(true);
  }