public void AddTeam_ExceedLimit_ThrowsException()
{
tournamentService.AddTeam(tournamentA, new Team("Blue"));
tournamentService.AddTeam(tournamentA, new Team("Black"));
tournamentService.AddTeam(tournamentA, new Team("Red"));
tournamentService.AddTeam(tournamentA, new Team("White"));
tournamentService.AddTeam(tournamentA, new Team("Yellow"));
}