public void CheckOpenShouldStart()
        {
            // Arrange
            var mockUnitOfWork       = TestUtils.GetUnitOfWorkMock();
            var tournamentRepository = new MockTournamentRepository();

            mockUnitOfWork.SetupGet(x => x.Tournaments).Returns(tournamentRepository);
            var unitOfWork      = mockUnitOfWork.Object;
            var gameServiceMock = new Mock <IGameService>();
            var service         = new TournamentService(TestUtils.MockUserProvider(), unitOfWork, gameServiceMock.Object, TestUtils.MockMapTemplateProvider());

            var openTournament = new Tournament(
                "Tournament",
                8,
                3,
                3,
                3,
                DateTime.UtcNow.AddDays(-1),
                DateTime.UtcNow,
                new Domain.Games.GameOptions
            {
                NumberOfPlayersPerTeam = 1
            });

            tournamentRepository.Add(openTournament);

            for (int i = 0; i < 8; ++i)
            {
                openTournament.AddUser(TestUtils.CreateUser($"User{i}"));
            }

            // Act
            var started = service.CheckOpenTournaments(new TestLogger(), new RandomGen());

            // Assert
            Assert.IsTrue(started);
            Assert.AreEqual(TournamentState.Groups, openTournament.State);
            Assert.AreEqual(12, openTournament.Pairings.Count());
        }