How to stub response from google oAuth token refresh in test? I send email with com.google.api.services.gmail.Gmail; public void sendEmail(Message message){ ... Message message = gmail.users().messages().send("me", message).execute(); ... } My test triggers this method sendEmail(Message message) and because my user token is outdated .execute() also trigger token refresh: POST https://oauth2.googleapis.com/token How I can stub a response from https://oauth2.googleapis.com/token Because the only way I find is to use WireMock and replace...