public void CanDeleteBuilding() { // ARRANGE var testBuilding = GetSomeBuildingFromTestData(); var rectangle = GetMapRectangleFromWay(testBuilding); // ACT _tileEditor.DeleteBuilding(testBuilding.Id, rectangle); // ASSERT var buildings = GetElementById(testBuilding.Id).ToList(); Assert.AreEqual(2, buildings.Count()); Assert.IsTrue(buildings[0].Tags .ContainsKey(ActionStreetMap.Maps.Strings.DeletedElementTagKey)); }