public void TestMethod1() { var crimeFretcher = new CrimeFetcher(); var mosiLocation = new Location(-2.255562, 53.476788); var crimeList = crimeFretcher.FetchCrimesNearLocation(mosiLocation); var northEastDirection = new NorthEastDirection(x => x.Location.Longitude > mosiLocation.Longitude && x.Location.Latitude > mosiLocation.Latitude, crimeList, mosiLocation); var numberOfCrimesToTheNorthEast = northEastDirection.Count; Assert.AreNotEqual(numberOfCrimesToTheNorthEast, crimeList.Count); }