Added validation and behat

features/adding_wishlist_product_to_cart.feature

@@ -54,3 +54,17 @@ Feature: Adding wishlist product to cart
         And I check "Bushmills Black Bush Whiskey"
         And I add selected products to cart
         Then I should be notified that I should add more products
+
+    @ui
+    Scenario: Adding more than available in stock wishlist products to cart
+        Given the store has a product "Jack Daniels Gentleman" priced at "$10.00"
+        And all store products appear under a main taxonomy
+        And the store has a product "Bushmills Black Bush Whiskey" priced at "$230.00"
+        And there is 1 units of product "Bushmills Black Bush Whiskey" available in the inventory
+        And the "Bushmills Black Bush Whiskey" product is tracked by the inventory
+        And I have these products in my wishlist
+        When I go to the wishlist page
+        And I select 6 quantity of "Bushmills Black Bush Whiskey" product
+        And I check "Bushmills Black Bush Whiskey"
+        And I add selected products to cart
+        Then I should be notified that "Bushmills Black Bush Whiskey" does not have sufficient stock

src/Form/Type/AddProductsToCartType.php

@@ -23,6 +23,7 @@
 use Symfony\Component\Form\FormEvent;
 use Symfony\Component\Form\FormEvents;
 use Symfony\Component\OptionsResolver\OptionsResolver;
+use Symfony\Component\Validator\Constraints\Valid;
 
 final class AddProductsToCartType extends AbstractType
 {
@@ -56,6 +57,7 @@ public function buildForm(FormBuilderInterface $builder, array $options): void
 
             $form
                 ->add('cartItem', AddToCartType::class, [
+                'constraints'=> new Valid(),
                 'label' => false,
                 'required' => false,
                 'product' => $wishlistProduct->getProduct(),