MAGETWO-28253: Downloadable Integration API

    - Fix SOAP test failures

Author: Yu Tang

dev/tests/api-functional/testsuite/Magento/Downloadable/Api/LinkRepositoryTest.php

@@ -794,7 +794,7 @@ public function testDelete()
         $linkId = $this->getTargetLink($this->getTargetProduct())->getId();
         $this->deleteServiceInfo['rest']['resourcePath'] = "/V1/products/downloadable-links/{$linkId}";
         $requestData = [
-            'linkId' => $linkId,
+            'id' => $linkId,
         ];
 
         $this->assertTrue($this->_webApiCall($this->deleteServiceInfo, $requestData));
@@ -811,7 +811,7 @@ public function testDeleteThrowsExceptionIfThereIsNoDownloadableLinkWithGivenId(
         $linkId = 9999;
         $this->deleteServiceInfo['rest']['resourcePath'] = "/V1/products/downloadable-links/{$linkId}";
         $requestData = [
-            'linkId' => $linkId,
+            'id' => $linkId,
         ];
 
         $this->_webApiCall($this->deleteServiceInfo, $requestData);

dev/tests/api-functional/testsuite/Magento/Downloadable/Api/SampleRepositoryTest.php

@@ -493,7 +493,7 @@ public function testDelete()
         $sampleId = $this->getTargetSample($this->getTargetProduct())->getId();
         $this->deleteServiceInfo['rest']['resourcePath'] = "/V1/products/downloadable-links/samples/{$sampleId}";
         $requestData = [
-            'sampleId' => $sampleId,
+            'id' => $sampleId,
         ];
 
         $this->assertTrue($this->_webApiCall($this->deleteServiceInfo, $requestData));
@@ -510,7 +510,7 @@ public function testDeleteThrowsExceptionIfThereIsNoDownloadableSampleWithGivenI
         $sampleId = 9999;
         $this->deleteServiceInfo['rest']['resourcePath'] = "/V1/products/downloadable-links/samples/{$sampleId}";
         $requestData = [
-            'sampleId' => $sampleId,
+            'id' => $sampleId,
         ];
 
         $this->_webApiCall($this->deleteServiceInfo, $requestData);