public async Task Assert_post_change_survey()
{
IHttpActionResult actionResult = await surveyController.PutSurvey(survey);
var putResult = actionResult as OkNegotiatedContentResult <Survey>;
Assert.IsNotNull(putResult);
// Make changes to survey
survey.SurveyTitle = "asd";
survey.ClosingDate = DateTime.Now;
await surveyController.PostSurveyChange(survey);
IHttpActionResult newResult = await surveyController.GetSurveyById(survey.SurveyId);
var result = newResult as OkNegotiatedContentResult <Survey>;
Survey newSurvey = result.Content;
Assert.AreEqual(survey, newSurvey);
}