Satic test fixes

Author: Nazar65

app/code/Magento/MediaContentCatalog/Observer/CategoryDelete.php

@@ -17,7 +17,7 @@
 use Magento\MediaContentApi\Api\ExtractAssetsFromContentInterface;
 
 /**
- * Observe the catalog_category_delete event and deletes relation between category content and media asset.
+ * Observe the catalog_category_delete_after event and deletes relation between category content and media asset.
  */
 class CategoryDelete implements ObserverInterface
 {
@@ -88,16 +88,16 @@ public function __construct(
      */
     public function execute(Observer $observer): void
     {
-        $model = $observer->getEvent()->getData('category');
+        $category = $observer->getEvent()->getData('category');
         $contentAssetLinks = [];
 
-        if ($model instanceof CatalogCategory) {
+        if ($category instanceof CatalogCategory) {
             foreach ($this->fields as $field) {
                 $contentIdentity = $this->contentIdentityFactory->create(
                     [
                         self::TYPE => self::CONTENT_TYPE,
                         self::FIELD => $field,
-                        self::ENTITY_ID => (string) $model->getEntityId(),
+                        self::ENTITY_ID => (string) $category->getEntityId(),
                     ]
                 );
                 $content = implode(PHP_EOL, $this->getContent->execute($contentIdentity));

app/code/Magento/MediaContentCatalog/Observer/ProductDelete.php

@@ -88,20 +88,20 @@ public function __construct(
      */
     public function execute(Observer $observer): void
     {
-        $model = $observer->getEvent()->getData('product');
+        $product = $observer->getEvent()->getData('product');
         $contentAssetLinks = [];
 
-        if ($model instanceof CatalogProduct) {
+        if ($product instanceof CatalogProduct) {
             foreach ($this->fields as $field) {
                 $contentIdentity = $this->contentIdentityFactory->create(
                     [
                         self::TYPE => self::CONTENT_TYPE,
                         self::FIELD => $field,
-                        self::ENTITY_ID => (string) $model->getEntityId(),
+                        self::ENTITY_ID => (string) $product->getEntityId(),
                     ]
                 );
-                $content = implode(PHP_EOL, $this->getContent->execute($contentIdentity));
-                $assets = $this->extractAssetsFromContent->execute($content);
+                $productContent = implode(PHP_EOL, $this->getContent->execute($contentIdentity));
+                $assets = $this->extractAssetsFromContent->execute($productContent);
 
                 foreach ($assets as $asset) {
                     $contentAssetLinks[] = $this->contentAssetLinkFactory->create(

app/code/Magento/MediaContentCms/Observer/BlockDelete.php

@@ -88,20 +88,19 @@ public function __construct(
      */
     public function execute(Observer $observer): void
     {
-        $model = $observer->getEvent()->getData('object');
+        $block = $observer->getEvent()->getData('object');
         $contentAssetLinks = [];
 
-        if ($model instanceof CmsBlock) {
+        if ($block instanceof CmsBlock) {
             foreach ($this->fields as $field) {
                 $contentIdentity = $this->contentIdentityFactory->create(
                     [
                         self::TYPE => self::CONTENT_TYPE,
                         self::FIELD => $field,
-                        self::ENTITY_ID => (string) $model->getId(),
+                        self::ENTITY_ID => (string) $block->getId(),
                     ]
                 );
-                
-                $assets = $this->extractAssetsFromContent->execute((string) $model->getData($field));
+                $assets = $this->extractAssetsFromContent->execute((string) $block->getData($field));
 
                 foreach ($assets as $asset) {
                     $contentAssetLinks[] = $this->contentAssetLinkFactory->create(

app/code/Magento/MediaContentCms/Observer/PageDelete.php

@@ -88,20 +88,20 @@ public function __construct(
      */
     public function execute(Observer $observer): void
     {
-        $model = $observer->getEvent()->getData('object');
+        $page = $observer->getEvent()->getData('object');
         $contentAssetLinks = [];
 
-        if ($model instanceof CmsPage) {
+        if ($page instanceof CmsPage) {
             foreach ($this->fields as $field) {
                 $contentIdentity = $this->contentIdentityFactory->create(
                     [
                         self::TYPE => self::CONTENT_TYPE,
                         self::FIELD => $field,
-                        self::ENTITY_ID => (string) $model->getId(),
+                        self::ENTITY_ID => (string) $page->getId(),
                     ]
                 );
 
-                $assets = $this->extractAssetsFromContent->execute((string) $model->getData($field));
+                $assets = $this->extractAssetsFromContent->execute((string) $page->getData($field));
 
                 foreach ($assets as $asset) {
                     $contentAssetLinks[] = $this->contentAssetLinkFactory->create(