MCP-773: [GraphQL] Error in applying a coupon during a checkout

Author: slopukhov

setup/src/Magento/Setup/Fixtures/CartPriceRulesFixture.php

@@ -190,7 +190,7 @@ public function generateRules($ruleFactory, $categoriesArray)
                 'uses_per_customer'     => '',
                 'from_date'             => '',
                 'to_date'               => '',
-                'sort_order'            => '',
+                'sort_order'            => '100',
                 'is_rss'                => '1',
                 'rule'                  => $this->generateCondition($i, $categoriesArray),
                 'simple_action'             => 'by_percent',
@@ -385,7 +385,7 @@ public function generateAdvancedRules($ruleFactory, $categoriesArray)
                 'uses_per_customer'     => '',
                 'from_date'             => '',
                 'to_date'               => '',
-                'sort_order'            => '',
+                'sort_order'            => '50',
                 'is_rss'                => '1',
                 'rule'                  => $this->generateAdvancedCondition($i, $categoriesArray),
                 'simple_action'             => 'cart_fixed',

setup/src/Magento/Setup/Fixtures/CatalogPriceRulesFixture.php

@@ -88,7 +88,7 @@ public function execute()
                 ],
                 'from_date'             => '',
                 'to_date'               => '',
-                'sort_order'            => '',
+                'sort_order'            => '25',
                 'rule'                  => [
                     'conditions' => [
                         1 => [

setup/src/Magento/Setup/Fixtures/CouponCodesFixture.php

@@ -112,6 +112,7 @@ public function generateCouponCodes($ruleFactory, $couponCodeFactory, $websitesA
                 'discount_amount'       => 5,
                 'discount_step'         => 0,
                 'stop_rules_processing' => 1,
+                'sort_order'            => '25',
             ];
 
             $model = $ruleFactory->create();