MAGETWO-32078: Validation for Terms and Conditions should be the same for OnePage Checkout and Multishipping Flow

Author: Ievgen Shakhsuvarov

app/code/Magento/Catalog/view/frontend/templates/product/view/addtocart.phtml

@@ -44,7 +44,8 @@
 <script type="text/javascript">
 require([
     "jquery",
-    "mage/mage"
+    "mage/mage",
+    "Magento_Catalog/product/view/validation"
 ], function($){
     $('#product_addtocart_form').mage('validation', {
         radioCheckboxClosest: '.nested'

app/code/Magento/Catalog/view/frontend/templates/product/view/form.phtml

@@ -35,7 +35,8 @@
 <script type="text/javascript">
     require([
         'jquery',
-        'Magento_Catalog/js/price-box'
+        'Magento_Catalog/js/price-box',
+        'Magento_Catalog/product/view/validation'
     ], function($){
         var priceBoxes = $('[data-role=priceBox]');
 

app/code/Magento/Checkout/view/frontend/web/js/opc-order-review.js

@@ -36,8 +36,7 @@ define([
             var isAgreementValid = true;
             agreementFormsGroup.find('form').each(
                 function(){
-                    $(this).validation();
-                    isAgreementValid = isAgreementValid && $(this).validation && $(this).validation('isValid');
+                    isAgreementValid = $(this).validation() && $(this).validation('isValid') && isAgreementValid;
                 }
             );