public void AddNewShowTest()
{
var newShow = new ShowDto
{
movieId = _context.Movies.Single(o => o.Title == "TEST_MOVIE_2").Id,
roomId = _context.Rooms.Single(o => o.RoomName == "TEST_ROOM").Id,
StartTime = "2019-12-20 10:00:00"
};
var controller = new ShowController(_context);
var result = controller.NewShow(newShow);
var objectResult = Assert.IsType <OkResult>(result);
Assert.Equal(_showDTOs.Count + 1, _context.Shows.Count());
Assert.Equal(200, objectResult.StatusCode);
}