public async void updatePriorityTest_MoveUp_HappyPath() { //Get Entry int studentNum = 1; int courseNum = 2; Wishlist entry = _context.Wishlist.SingleOrDefault(w => w.studentId == studentNum && w.courseId == courseNum); Assert.NotNull(entry); //Get Priority int entryPriority = entry.priority; Assert.True(entryPriority > 0); //Move Priority Up MoveDirection direction = MoveDirection.MoveUp; int outcome = await _wishlistService.updatePriority(entry.studentId, entry.courseId, direction); Assert.True(outcome == 0, "priority of course 2 has moved up in student 1's wishlist"); //Double Check Assert.True(entry.priority == entryPriority - 1); }