- Pass nil refresher to NewProtonMailClient at all 5 call sites - Change TestListMessages_APIError from 401 to 403 (avoids refresh interception) - Add error content assertion to TestGetMessage_NotFound
- Pass nil refresher to NewProtonMailClient at all 5 call sites - Change TestListMessages_APIError from 401 to 403 (avoids refresh interception) - Add error content assertion to TestGetMessage_NotFound