magento#1839 fix fail webapi tests

Author: Viktor Kopin

AdobeStockAsset/Model/Asset.php

@@ -112,7 +112,7 @@ public function getCreationDate(): string
     /**
      * @inheritdoc
      */
-    public function getExtensionAttributes(): AssetExtensionInterface
+    public function getExtensionAttributes(): ?AssetExtensionInterface
     {
         return $this->_getExtensionAttributes();
     }

AdobeStockAsset/Test/Api/AssetRepository/DeleteByIdTest.php

@@ -73,7 +73,7 @@ private function verifyAssetDeleted(): void
                     $e,
                     $expectedMessage,
                     'env:Sender',
-                    [1 => self::FIXTURE_ASSET_ID]
+                    ['id' => self::FIXTURE_ASSET_ID]
                 );
             } else {
                 throw $e;

AdobeStockAsset/Test/Api/AssetRepository/GetByIdTest.php

@@ -58,7 +58,7 @@ public function testGetNoSuchEntityException(): void
                 self::assertEquals(Exception::HTTP_NOT_FOUND, $e->getCode());
             } elseif (constant('TESTS_WEB_API_ADAPTER') === self::ADAPTER_SOAP) {
                 $this->assertInstanceOf('SoapFault', $e);
-                $this->checkSoapFault($e, $expectedMessage, 'env:Sender', [1 => $notExistedAssetId]);
+                $this->checkSoapFault($e, $expectedMessage, 'env:Sender', ['id' => $notExistedAssetId]);
             } else {
                 throw $e;
             }

AdobeStockAsset/Test/Api/AssetRepository/GetListTest.php

@@ -22,7 +22,7 @@
 class GetListTest extends WebapiAbstract
 {
     private const RESOURCE_PATH = '/V1/adobestock/asset/search';
-    private const SERVICE_NAME = 'adobeStockAssetApiGetAssetListV1';
+    private const SERVICE_NAME = 'adobeStockAssetApiAssetRepositoryV1';
 
     /**
      * Test getting the Adobe Stock image by search criteria.
@@ -74,7 +74,7 @@ public function testGetList(): void
             ],
         ];
 
-        $response = $this->_webApiCall($serviceInfo, $searchCriteria);
+        $response = $this->_webApiCall($serviceInfo, $requestData);
 
         $this->assertArrayHasKey('search_criteria', $response);
         $this->assertArrayHasKey('total_count', $response);

AdobeStockAsset/Test/Api/SearchAdobeStockTest.php

@@ -86,11 +86,11 @@ public function testGetList(): void
             ],
             'soap' => [
                 'service' => self::SERVICE_NAME,
-                'operation' => self::SERVICE_NAME . 'GetList',
+                'operation' => self::SERVICE_NAME . 'Execute',
             ],
         ];
 
-        $response = $this->_webApiCall($serviceInfo, $searchCriteria);
+        $response = $this->_webApiCall($serviceInfo, $requestData);
 
         $this->assertArrayHasKey('search_criteria', $response);
         $this->assertArrayHasKey('total_count', $response);

AdobeStockAssetApi/Api/Data/AssetInterface.php

@@ -75,9 +75,9 @@ public function getCreationDate(): string;
     /**
      * Retrieve existing extension attributes object or create a new one.
      *
-     * @return \Magento\AdobeStockAssetApi\Api\Data\AssetExtensionInterface
+     * @return \Magento\AdobeStockAssetApi\Api\Data\AssetExtensionInterface|null
      */
-    public function getExtensionAttributes(): AssetExtensionInterface;
+    public function getExtensionAttributes(): ?AssetExtensionInterface;
 
     /**
      * Set an extension attributes object.