[Rails5] Fix ActionCable's mount_path configuration
What does this MR do?
The original MR fixed red specs for Rails 5.
But while the failed specs were fixed, that changes brought new failed specs which weren't caught up in !20015 (merged).
This MR just fixes the fix. :)
New errors are like these:
Failed to upgrade to WebSocket (REQUEST_METHOD: GET, HTTP_CONNECTION: keep-alive, HTTP_UPGRADE: )
Finished "/-/boards/1/lists"[non-WebSocket] for 127.0.0.1 at 2018-06-20 18:09:26 +0200Are there points in the code the reviewer needs to double check?
No.
Why was this MR needed?
Screenshots (if relevant)
No.
Does this MR meet the acceptance criteria?
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Changelog entry added, if necessary -
Documentation created/updated -
API support added -
Tests added for this feature/bug - Conform by the code review guidelines
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Has been reviewed by a UX Designer -
Has been reviewed by a Frontend maintainer -
Has been reviewed by a Backend maintainer -
Has been reviewed by a Database specialist
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Conform by the merge request performance guides -
Conform by the style guides -
If you have multiple commits, please combine them into a few logically organized commits by squashing them -
Internationalization required/considered -
End-to-end tests pass ( package-and-qamanual pipeline job)
What are the relevant issue numbers?
No.