public void EditTest() { var oldTruck = _context.Trucks.Where(x => x.Chassis == "ABC123").OrderByDescending(x => x.Id).FirstOrDefault(); if (oldTruck == null) { Assert.Fail(); return; } var oldMaximunLoad = oldTruck.MaximumLoad; oldTruck.MaximumLoad = oldMaximunLoad + 500; _controller.Edit(oldTruck); var editedTruck = _context.Trucks.Find(oldTruck.Id); if (editedTruck.MaximumLoad != (oldMaximunLoad + 500)) { Assert.Fail(); return; } Assert.Pass(); }