ASP.NET Core 3 and React

Testing the action method to get a single question

Follow these steps to implement a couple of tests on the GetQuestion method:

1. Let's add the following test in the QuestionsControllerTests class to verify that we get the correct result when the question isn't found:

[Fact]public async void GetQuestion_WhenQuestionNotFound_Returns404(){  var mockDataRepository = new Mock<IDataRepository>();  mockDataRepository    .Setup(repo => repo.GetQuestion(1))    .Returns(() => Task.FromResult(default(QuestionGetSingleResponse)));  var mockQuestionCache = new Mock<IQuestionCache>();  mockQuestionCache    .Setup(cache => cache.Get(1))    .Returns(() => null);  var mockConfigurationRoot = new Mock<IConfigurationRoot>();  mockConfigurationRoot.SetupGet(config => config[It.IsAny<string>()]).Returns("some ...