Update CreateDefaultStock.php

Fixed static test

Author: engcom-Charlie

app/code/Magento/CatalogInventory/Setup/Patch/Data/CreateDefaultStock.php

@@ -41,7 +41,14 @@ public function __construct(
     }
 
     /**
-     * @inheritdoc
+     * Run code inside patch
+     * If code fails, patch must be reverted, in case when we are speaking about schema - then under revert
+     * means run PatchInterface::revert()
+     *
+     * If we speak about data, under revert means: $transaction->rollback()
+     *
+     * @return void
+     *
      */
     public function apply()
     {