public async void Task_Delete_Item_Return_BadRequestResult()
{
//Arrange
var controller = new TeaInventoryController(repository);
int?teaId = null;
//Act
var data = await controller.DeleteItems(teaId);
//Assert
Assert.IsType <BadRequestResult>(data.Result);
}
public async void Task_Delete_Item_Return_NotFoundResult()
{
//Arrange
var controller = new TeaInventoryController(repository);
var teaId = 10;
//Act
var data = await controller.DeleteItems(teaId);
//Assert
Assert.IsType <NotFoundResult>(data.Result);
}