public void DeleteTestCase()
{
string projectName = ClientSampleHelpers.FindAnyProject(this.Context).Name;
int testCaseId = this._getTestCaseId();
// Get a testplan client instance
VssConnection connection = Context.Connection;
TestPlanHttpClient testPlanClient = connection.GetClient <TestPlanHttpClient>();
//Delete a test case
testPlanClient.DeleteTestCaseAsync(projectName, testCaseId).SyncResult();
}