public void GetAllRooms_WhenDatabaseIsEmpty_ReturnEmpty(int expectedStatusCode)
{
// Arrange
_mockService.Setup(s => s.GetAllRooms()).Returns(Task.FromResult((new List <Room>()).AsQueryable()));
// Action
var response = _controller.GetAllRooms().GetAwaiter().GetResult();
var result = response.Result as ObjectResult;
// Assert
Assert.That(result.StatusCode == expectedStatusCode);
Assert.That(response, Is.InstanceOf(typeof(ActionResult <ServiceResponse <List <Resource> > >)));
var resultValue = result.Value as ServiceResponse <List <Resource> >;
Assert.That(resultValue.Message, Is.Null);
Assert.That(resultValue.Data.Count == 0);
Utilities.PrintOut(result);
}