public void UpdateVenue_OneBand_BandAndNewVenue() { Band testBand1 = new Band("band"); testBand1.Save(); Venue testVenue1 = new Venue("ven1"); testVenue1.Save(); Venue testVenue2 = new Venue("ven2"); testVenue2.Save(); testBand1.AddVenue(testVenue1.GetId()); testBand1.UpdateVenue(testVenue1, testVenue2); List <Venue> allVenues = testBand1.GetVenue(); List <Venue> expected = new List <Venue> { testVenue2 }; Assert.Equal(expected, allVenues); }