Fixed static tests

Author: sivaschenko

app/code/Magento/MediaContentApi/Model/Composite/GetEntityContents.php

@@ -16,12 +16,11 @@
 class GetEntityContents implements GetEntityContentsInterface
 {
     /**
-     * @var array|GetEntityContentsInterface[]
+     * @var GetEntityContentsInterface[]
      */
     private $items;
 
     /**
-     * GetContent constructor.
      * @param GetEntityContentsInterface[] $items
      */
     public function __construct(
@@ -39,6 +38,8 @@ public function __construct(
     }
 
     /**
+     * Get concatenated content for the content identity
+     *
      * @param ContentIdentityInterface $contentIdentity
      * @return string[]
      */

app/code/Magento/MediaContentApi/Model/GetEntityContentsInterface.php

@@ -16,6 +16,8 @@
 interface GetEntityContentsInterface
 {
     /**
+     * Get concatenated content by the content identity
+     *
      * @param ContentIdentityInterface $contentIdentity
      * @return string[]
      */