public void GetDistinctStations_Test() { //Arrange var Mock_SystemInfo = new Mock_SystemInfo(); var Mock_NodeController = new Mock_INodeController(); var mockSystemInterface = new Mock_SystemInterface(Mock_SystemInfo, Mock_NodeController); var station = new Stations(); ObservableCollection <Stations> stations = new ObservableCollection <Stations>(); //Act station.GetDistinctStations(mockSystemInterface); //Assert }