public async Task Specialty_Delete_Existing_Specialty()
{
//setup
var speicaltyId = 1;
var specialty = _specialities.FirstOrDefault(x => x.Id == speicaltyId);
_specialtyRepository.Setup(x => x.GetById(speicaltyId)).ReturnsAsync(_specialities.FirstOrDefault(x => x.Id == speicaltyId));
_specialtyRepository.Setup(x => x.Delete(speicaltyId)).Callback(() => _specialities.Remove(specialty));
//Act
var result = await _controller.DeleteSpecialty(speicaltyId);
//Assert
//var okObjectResult = result as OkObjectResult;
//Assert.NotNull(okObjectResult);
Assert.Null(_specialities.FirstOrDefault(x => x.Id == speicaltyId));
}
