public void GetAll_ReturnsAllRestaurantsFromRepository()
{
//Arrange
var restaurants = new List <Restaurant>
{
new RestaurantBuilder().WithId().Build()
};
_restaurantRepositoryMock.Setup(r => r.GetAll()).Returns(() => restaurants);
//Act
var okResult = _controller.GetAll() as OkObjectResult;
//Assert
Assert.That(okResult, Is.Not.Null);
Assert.That(okResult.Value, Is.EquivalentTo(restaurants));
_restaurantRepositoryMock.Verify(r => r.GetAll(), Times.Once);
}