public async void CanGetTopTenNumberOfFlightsForOrigins() { // Arrange var items = Builder <FlightDc> .CreateListOfSize(102) .TheFirst(10) .With(x => x.Dest = "Top1") .With(x => x.Origin = "EWR") .TheNext(10) .With(x => x.Dest = "Top2") .With(x => x.Origin = "JFK") .TheNext(10) .With(x => x.Dest = "Top3") .With(x => x.Origin = "LGA") .TheNext(10) .With(x => x.Dest = "Top4") .With(x => x.Origin = "EWR") .TheNext(10) .With(x => x.Dest = "Top5") .With(x => x.Origin = "JFK") .TheNext(10) .With(x => x.Dest = "Top6") .With(x => x.Origin = "LGA") .TheNext(10) .With(x => x.Dest = "Top7") .With(x => x.Origin = "EWR") .TheNext(10) .With(x => x.Dest = "Top8") .With(x => x.Origin = "JFK") .TheNext(10) .With(x => x.Dest = "Top9BadOrigin") .TheNext(10) .With(x => x.Dest = "Top10BadOrigin") .TheNext(1) .With(x => x.Dest = "1") .With(x => x.Origin = "LGA") .TheNext(1) .With(x => x.Dest = "2") .With(x => x.Origin = "EWR") .Build(); context.Flights.AddRange(items); context.SaveChanges(); //Act var result = await flightsRepository.GetTopTenNumberOfFlightsForOrigins(); //Assert Assert.Equal(10, result.Count()); Assert.Contains(result, x => x.AirportName == "Top1"); Assert.Contains(result, x => x.AirportName == "Top2"); Assert.Contains(result, x => x.AirportName == "Top3"); Assert.Contains(result, x => x.AirportName == "Top4"); Assert.Contains(result, x => x.AirportName == "Top5"); Assert.Contains(result, x => x.AirportName == "Top6"); Assert.Contains(result, x => x.AirportName == "Top7"); Assert.Contains(result, x => x.AirportName == "Top8"); Assert.Contains(result, x => x.AirportName == "1"); Assert.Contains(result, x => x.AirportName == "2"); Assert.DoesNotContain(result, x => x.AirportName == "Top9BadOrigin"); Assert.DoesNotContain(result, x => x.AirportName == "Top10BadOrigin"); }