public async Task PostSurveyAsync_AddNewSurvey()
{
var survey = new Survey();
var returnSurvey = new Survey {
Id = survey.Id++
};
_mockMyDbContext.Setup(
db => db.AddSurveyAsync(survey)).Returns(Task.FromResult(returnSurvey));
var surveysController = new SurveysController(_mockMyDbContext.Object);
var response = await surveysController.PostSurveyAsync(survey);
Assert.NotEqual(survey.Id, response.Value.Id);
}