public static Optional<String> extractTeamName(String groupName) {
    return extractRegexGroupIfMatches(groupName, 2);
  }
@Test
  public void extractTeamName_whenNameIsCorrect_extractsTeamName() {
    assertThat(GithubTeamConverter.extractTeamName("Org1/team1")).isEqualTo(Optional.of("team1"));
    assertThat(GithubTeamConverter.extractTeamName("Org1/team1/team2")).isEqualTo(Optional.of("team1/team2"));
  }