Updated unit tests
Updated unit tests

janneison/LaravelShoppingcart,Laraverse/Cart,junkystu/LaravelShoppingcart,darthsoup/laravel-shoppingcart,mateusjatenee/LaravelShoppingcart-1,yufi113/LaravelShoppingcart,IvanBernatovic/LaravelShoppingcart,kingpabel/LaravelShoppingcart,janusnic/LaravelShoppingcart,HaelioMarcio/LaravelShoppingcart,Crinsane/LaravelShoppingcart,andradedev/LaravelShoppingcart,InfiniteDevelopment/LaravelShoppingcart,rikw22/LaravelShoppingcart,martindevnow/LaravelShoppingcart,tinywitch/LaravelShoppingcart