public void AddCompartment()
{
var name = "London";
var existingCompartment = new ShoppingOrder(new ArticleGroup("Vegetables"), 30);
var compartments = new Collection <ShoppingOrder> {
existingCompartment
};
var compartmentToAdd = new ShoppingOrder(new ArticleGroup("Vegetables"), 40);
var testee = new Store(name, compartments);
testee.AddCompartment(compartmentToAdd);
testee.Compartments.Should().BeEquivalentTo(new [] { existingCompartment, compartmentToAdd });
}