public void TestDeleteDistrictWithCityIn()
{
List <City> cities = _GetCities();
DynamicMock dynamicMock = new DynamicMock(typeof(LocationsManager));
dynamicMock.SetReturnValue("GetCities", cities);
dynamicMock.Expect("DeleteDistrictById", 2);
LocationsManager mocklocationManager = (LocationsManager)dynamicMock.MockInstance;
LocationServices locationService = new LocationServices(mocklocationManager);
Assert.AreEqual(false, locationService.DeleteDistrict(2));
}