public void GetAllAsync_WhenNoNamePassed_CallsGetSurveys_ReturnsOk()
{
var response = _controller.GetAllAsync(string.Empty).Result;
_surveyService.Verify(repo => repo.GetSurveys(), Times.Exactly(1));
_surveyService.Verify(repo => repo.GetSurveysWithNameLike(It.IsAny <string>()), Times.Never);
Assert.IsType <OkObjectResult>(response);
var surveys = ((OkObjectResult)response).Value as IList <ISurvey>;
Assert.NotNull(surveys);
Assert.Equal(2, surveys.Count);
Assert.Contains(surveys, p => p.Id == _matchingGuid);
Assert.Contains(surveys, p => p.Id == _nonMatchingGuid);
}