**List of steps to reproduce**:
* Open browser console so you can see network requests.
* Visit the test results linked from Gerrit ([[ https://integration.wikimedia.org/ci/job/quibble-vendor-mysql-php72-noselenium-docker/89345/console | example link ]] for a HitCounters test).
* Click on "Test Result" in the sidebar or replace "console" in the url with "[[ https://integration.wikimedia.org/ci/job/quibble-vendor-mysql-php72-noselenium-docker/89345/testReport | testReport ]]".
* Hover over "(root)" in the "Package" column under "All Tests".
* A drop down arrow appears to the right of "(root)".
* Click the dropdown arrow.
**What happens?**:
In the network traffic a 404 appears for [[ https://integration.wikimedia.org/ci/job/quibble-vendor-mysql-php72-noselenium-docker/89345/testReport/(root)/contextMenu | (root)'s contextMenu ]].
**What should have happened instead?**:
A context menu should appear?