Getting System.InvalidOperationException when running test plan - .Net Framework Library about jmeter-dotnet-dsl HOT 4 CLOSED

public class RestApiTestAdapter
{
    private readonly RestClient restClient;
    private readonly string baseUrl;

    public RestApiTestAdapter(string baseUrl)
    {
        this.baseUrl = baseUrl;
        restClient = new RestClient(baseUrl);
    }

    public Response ExecuteAndTestPerformance(string resource, string method, int noOfThreads, int noOfIterations, long maxTimeInSeconds)
    {
        string uri = baseUrl + '/' + resource;
        var stats = TestPlan(
            ThreadGroup(noOfThreads, noOfIterations,
                HttpSampler(uri).Method(method)
            )
        ).Run();
        if(stats.Overall.SampleTimePercentile99 < (TimeSpan.FromSeconds(maxTimeInSeconds)))
        {
            return Response.Success;
        }
        return Response.Failure;
    }
}

    [ClassInitialize]
    public static void RestApiTestInitialize(TestContext testContext)
    {
        restApiTestAdapter = new RestApiTestAdapter("http://localhost:56349");
    }

    [TestMethod]
    //[DataSource("System.Data.Odbc", @"Dsn=Excel Files;dbq=.\\TestData\\RestApiPerfTestData.xlsx;defaultdir=.; driverid=790;maxbuffersize=2048;pagetimeout=5", "Sheet1$", DataAccessMethod.Sequential)]
    public void TestApiPerformance()
    {
        string resource = "weatherforecast";
        string method = "Get";
        int noOfThreads = 3;
        int noOfIterations = 10;
        long maxTimeInSeconds = 3;
        Assert.AreEqual(restApiTestAdapter.ExecuteAndTestPerformance(resource, method, noOfThreads, noOfIterations, maxTimeInSeconds), Response.Success,
            $"Resource: {resource}, Method: {method}, noOfThreads: {noOfThreads}, inoOfIterations: {noOfIterations}, maxTimeInSeconds: {maxTimeInSeconds}");
    }

    [ClassCleanup]
    public static void RestApiTestCleanup()
    {

    }
}