@Override
  public boolean allowsUsersToSignUp() {
    return settings.allowUsersToSignUp();
  }
@Test
  public void should_allow_users_to_signup() {
    assertThat(underTest.allowsUsersToSignUp()).as("default").isFalse();

    settings.setProperty("sonar.auth.github.allowUsersToSignUp", true);
    assertThat(underTest.allowsUsersToSignUp()).isTrue();
  }