public async void Details_ReturnsANotFoundResult(int?organizerId)
        {
            //Arrange
            OrganizersController organizersController = new OrganizersController(context);

            //Act
            var result = await organizersController.Details(organizerId);

            //Assert
            Assert.IsType <NotFoundResult>(result);
        }
        public async void Details_ReturnsAViewResult()
        {
            //Arrange
            OrganizersController organizersController = new OrganizersController(context);

            //Act
            var result = await organizersController.Details(1);

            //Assert
            Assert.IsType <ViewResult>(result);
        }