public void GetUpcomingGigsByArtist_GigIsInThePast_ShouldNotBeReturned()
        {
            var gig = new Gig()
            {
                DateTime = DateTime.Now.AddDays(-1), ArtistId = "1"
            };

            _mockGigs.SetSourceAsync(new[] { gig });

            var gigs = _repository.GetUpcomingGigsByArtistAsync("1").Result;

            gigs.Should().BeEmpty();
        }