/** Test saveSingleTeamTag with null tag */
  @Test
  public void testSaveSingleTeamTagWithNullTag() {
    Client client = createClient();
    Team team1 = createTeam(client);
    team1.setId(1l);

    assertThat("null was returned", teamTagService.saveSingleTeamTag(team1, null), is(nullValue()));
  }
 private Team createTeam(Client client) {
   Team team = new Team();
   team.setName("Test Team" + RandomStringUtils.randomAlphanumeric(18));
   team.setDescription("Test Team description");
   team.setActive(true);
   team.setClient(client);
   team.setSalesForceAccount(new TeamSalesForce(RandomStringUtils.randomAlphanumeric(18)));
   teamService.create(team);
   return team;
 }