ASP.Net Web API控制器单元测试失败

[TestClass]
public class MyControllerTests
{
    [TestMethod]
    public void Get_ShouldReturnExpectedData()
    {
        // Arrange
        var mockService = new Mock<IMyService>();
        mockService.Setup(s => s.GetData()).Returns(new List<string> { "data1", "data2" });

        var controller = new MyController(mockService.Object);

        // Act
        var result = controller.Get() as OkNegotiatedContentResult<List<string>>;

        // Assert
        Assert.IsNotNull(result);
        Assert.AreEqual(2, result.Content.Count);
    }
}

[TestClass]
public class MyControllerTests
{
    [TestMethod]
    public void Get_ShouldRouteCorrectly()
    {
        // Arrange
        var config = new HttpConfiguration();
        config.Routes.MapHttpRoute(
            name: "DefaultApi",
            routeTemplate: "api/{controller}/{id}",
            defaults: new { id = RouteParameter.Optional }
        );

        using (var server = new HttpServer(config))
        {
            var client = new HttpClient(server);

            // Act
            var response = client.GetAsync("/api/my").Result;

            // Assert
            Assert.AreEqual(HttpStatusCode.OK, response.StatusCode);
        }
    }
}

[TestClass]
public class MyControllerTests
{
    [TestMethod]
    [ExpectedException(typeof(ArgumentException))]
    public void Get_WithInvalidInput_ShouldThrowException()
    {
        // Arrange
        var mockService = new Mock<IMyService>();
        mockService.Setup(s => s.GetData("invalid")).Throws<ArgumentException>();

        var controller = new MyController(mockService.Object);

        // Act
        controller.Get("invalid");
    }
}