Description

This case is not adequately tested, as evidenced by a recently-discovered error. See the TODO in src/fetchObject.js for more information.

Desired behavior/Acceptance criteria (returned value, expected error, performance expectations, etc.)

• make sures that tests cover the lines indicates by TODO

Completion checklist

• Before closing this task, review one by one the checklist available here: https://www.mediawiki.org/wiki/Abstract_Wikipedia_team/Definition_of_Done#Back-end_Task/Bug_completion_checklist