fixes product search tests (GoogleCloudPlatform#794)

Author: bshaffer

vision/composer.json

@@ -60,10 +60,5 @@
     "require-dev": {
         "phpunit/phpunit": "~4",
         "google/cloud-tools": "^0.8.5"
-    },
-    "autoload-dev": {
-        "files": [
-            "test/ProductSearchTestTrait.php"
-        ]
     }
 }

vision/src/product_set_import.php

@@ -68,10 +68,11 @@ function product_set_import($projectId, $location, $gcsUri)
                 printf('Status code not OK: %s' . PHP_EOL, $status->getMessage());
             }
         }
-    } else{
-        print($operation->getError()->getMessage());
+        print('IMPORTANT: You will need to wait up to 30 minutes for indexing to complete' . PHP_EOL);
+    } else {
+        printf('Error: %s' . PHP_EOL, $operation->getError()->getMessage());
     }
-    
+
     $client->close();
 }
 // [END vision_product_search_import_product_images]