magento/magento2#/19806: Static test fix.

Author: p-bystritsky

app/code/Magento/Downloadable/Model/SampleRepository.php

@@ -23,6 +23,7 @@
 
 /**
  * Class SampleRepository
+ *
  * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
  */
 class SampleRepository implements \Magento\Downloadable\Api\SampleRepositoryInterface
@@ -100,7 +101,7 @@ public function __construct(
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function getList($sku)
     {
@@ -209,6 +210,8 @@ public function save(
     }
 
     /**
+     * Save sample.
+     *
      * @param \Magento\Catalog\Api\Data\ProductInterface $product
      * @param SampleInterface $sample
      * @param bool $isGlobalScopeContent
@@ -257,6 +260,8 @@ protected function saveSample(
     }
 
     /**
+     * Update sample.
+     *
      * @param \Magento\Catalog\Api\Data\ProductInterface $product
      * @param SampleInterface $sample
      * @param bool $isGlobalScopeContent
@@ -319,7 +324,7 @@ protected function updateSample(
     }
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      */
     public function delete($id)
     {