[misc] test/acceptance: do not hard code fake credentials

services/filestore/test/acceptance/js/FilestoreTests.js

@@ -415,8 +415,8 @@ describe('Filestore', function() {
 
             const s3ClientSettings = {
               credentials: {
-                accessKeyId: 'fake',
-                secretAccessKey: 'fake'
+                accessKeyId: process.env.AWS_ACCESS_KEY_ID,
+                secretAccessKey: process.env.AWS_SECRET_ACCESS_KEY
               },
               endpoint: process.env.AWS_S3_ENDPOINT,
               sslEnabled: false,