public void GetAll_ReturnsAllProducers()
{
var producersList = new List <Producer>
{
new Producer
{
Name = "Alfa Romeo"
},
new Producer
{
Name = "audi"
}
};
var mockSet = ToDbSet(producersList);
_carContext.Producers.Returns(mockSet);
var allCars = _producerService.GetAll();
var expected = producersList;
Assert.Equal(expected, allCars);
}