public void GetHeadlineNews_ShouldReturnListOfNews()
{
var mockINewsService = new Mock <INewsService>();
mockINewsService.Setup(service => service.GetHeadLines()).Returns(GetasyncNews());
var newsController = new NewsController(mockINewsService.Object);
// Act
var result = newsController.GetHeadLines().Result as List <News>;
//Assert
Assert.Equal(4, result.Count);
Assert.NotNull(result);
}