MC-15297: Selecting "Conditions Combination" For Product List Condition Will Throw 500 Error & Redirect User To Broken Page

Set request method to POST in relevant integration tests that are now restricted to POST only

Author: danmooney2

dev/tests/integration/testsuite/Magento/PageBuilder/Controller/Adminhtml/Form/Element/ProductConditions/ChildTest.php

@@ -20,7 +20,8 @@ public function testFormLoadsEmptyFormUsingParams()
             ->setPostValue([
                 'type' => 'Magento\CatalogWidget\Model\Rule\Condition\Product|category_ids',
                 'id' => '1--3',
-            ]);
+            ])
+            ->setMethod($this->getRequest()::METHOD_POST);
 
         $this->dispatch('backend/pagebuilder/form/element_productconditions_child');
         $responseBody = $this->getResponse()->getBody();
@@ -45,7 +46,8 @@ public function testFormLoadsCustomPrefix()
             ->setPostValue([
                 'type' => 'Magento\CatalogWidget\Model\Rule\Condition\Product|category_ids',
                 'id' => '1--3',
-            ]);
+            ])
+            ->setMethod($this->getRequest()::METHOD_POST);
 
         $this->dispatch('backend/pagebuilder/form/element_productconditions_child');
         $responseBody = $this->getResponse()->getBody();