MAGETWO-97311: creating attribute option value using API returns unexpected response

- Add webapi check for id value.

Author: YuliyaLabudova

dev/tests/api-functional/testsuite/Magento/Catalog/Api/ProductSwatchAttributeOptionManagementInterfaceTest.php

@@ -45,6 +45,9 @@ public function testAdd($optionData)
         $this->assertNotNull($response);
         $updatedData = $this->getAttributeOptions($testAttributeCode);
         $lastOption = array_pop($updatedData);
+        foreach ($updatedData as $option) {
+            $this->assertNotContains('id', $option['value']);
+        }
         $this->assertEquals(
             $optionData[AttributeOptionInterface::STORE_LABELS][0][AttributeOptionLabelInterface::LABEL],
             $lastOption['label']