$config updated(added AccessToken for running graphql test)

Author: anikghosh256

tests/TestResource.php

@@ -23,6 +23,7 @@ public static function setUpBeforeClass()
             'ShopUrl' => getenv('SHOPIFY_SHOP_URL'), //Your shop URL
             'ApiKey' => getenv('SHOPIFY_API_KEY'), //Your Private API Key
             'Password' => getenv('SHOPIFY_API_PASSWORD'), //Your Private API Password
+            'AccessToken' => getenv('SHOPIFY_API_PASSWORD'), //Your Access Token(Private API Password)
         );
 
         self::$shopify = ShopifySDK::config($config);