MAGETWO-83872: Fix SOAP/REST tests

Author: Eric Bohanon

dev/tests/api-functional/testsuite/Magento/Bundle/Api/ProductServiceTest.php

@@ -498,6 +498,15 @@ protected function deleteProductBySku($productSku)
      */
     protected function saveProduct($product)
     {
+        if (isset($product['custom_attributes'])) {
+            for ($i=0; $i<sizeof($product['custom_attributes']); $i++) {
+                if ($product['custom_attributes'][$i]['attribute_code'] == 'category_ids'
+                    && !is_array($product['custom_attributes'][$i]['value'])
+                ) {
+                    $product['custom_attributes'][$i]['value'] = [""];
+                }
+            }
+        }
         $resourcePath = self::RESOURCE_PATH . '/' . $product['sku'];
         $serviceInfo = [
             'rest' => [

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

@@ -617,6 +617,15 @@ public function testUpdate()
      */
     protected function updateProduct($product)
     {
+        if (isset($product['custom_attributes'])) {
+            for ($i=0; $i<sizeof($product['custom_attributes']); $i++) {
+                if ($product['custom_attributes'][$i]['attribute_code'] == 'category_ids'
+                    && !is_array($product['custom_attributes'][$i]['value'])
+                ) {
+                    $product['custom_attributes'][$i]['value'] = [""];
+                }
+            }
+        }
         $sku = $product[ProductInterface::SKU];
         if (TESTS_WEB_API_ADAPTER == self::ADAPTER_REST) {
             $product[ProductInterface::SKU] = null;
@@ -986,6 +995,15 @@ protected function getSimpleProductData($productData = [])
      */
     protected function saveProduct($product, $storeCode = null)
     {
+        if (isset($product['custom_attributes'])) {
+            for ($i=0; $i<sizeof($product['custom_attributes']); $i++) {
+                if ($product['custom_attributes'][$i]['attribute_code'] == 'category_ids'
+                    && !is_array($product['custom_attributes'][$i]['value'])
+                ) {
+                    $product['custom_attributes'][$i]['value'] = [""];
+                }
+            }
+        }
         $serviceInfo = [
             'rest' => [
                 'resourcePath' => self::RESOURCE_PATH,