public async Task GetUpcomingMatchday_ShouldBeDoneSuccessfully()
        {
            // Arrange
            var matchdayId  = 1;
            var datePlaying = DateTime.Now;
            var matchday    = new Matchday()
            {
                Id          = matchdayId,
                DatePlaying = datePlaying
            };

            var matchdayToReturnDto = new MatchdayToReturnDto()
            {
                Id          = matchdayId,
                DatePlaying = datePlaying
            };

            _unitOfWorkMock.Setup(x => x.Matchdays.GetMatchdayWithAdditionalInformation(It.IsAny <int>()))
            .ReturnsAsync(matchday);

            _mapperMock.Setup(x => x.Map <MatchdayToReturnDto>(matchday))
            .Returns(matchdayToReturnDto);

            // Act
            var result = await _sut.GetUpcomingMatchday(It.IsAny <int>());

            // Assert
            Assert.Equal(matchdayId, result.Id);
            Assert.Equal(datePlaying, result.DatePlaying);
        }