public async Task Handle_GivenInvalidRequest_ShouldThrowNotFoundException()
        {
            // Arrange
            var command = new CreateTablesForTournamentCommand {
                TournamentId = 313
            };
            var tournamentsRepository = new EfDeletableEntityRepository <Tournament>(this.dbContext);
            var sut = new CreateTablesForTournamentCommandHandler(tournamentsRepository);

            // Act & Assert
            await Should.ThrowAsync <NotFoundException>(sut.Handle(command, It.IsAny <CancellationToken>()));
        }
        public async Task Handle_GivenValidRequest_ShouldCreateEntity()
        {
            // Arrange
            var command = new CreateTablesForTournamentCommand {
                TournamentId = 2
            };
            var tournamentsRepository = new EfDeletableEntityRepository <Tournament>(this.dbContext);
            var sut = new CreateTablesForTournamentCommandHandler(tournamentsRepository);

            // Act
            var rowsAffected = await sut.Handle(command, It.IsAny <CancellationToken>());

            // Assert
            rowsAffected.ShouldBe(7);
        }