public void GetUpcomingGigsByArtist_GigIsInThePast_ShouldNotBeReturned()
{
var gig = new Gig()
{
DateTime = DateTime.Now.AddDays(-1)
};
_mockGigs.SetSource(new[] { gig });
var gigs = _repository.GetUpcommingGigsByArtist("1");
gigs.Should().BeEmpty();
}