Add test to ensure path parser does not count on /config ending

[estringana]

Description

Remote configuration documentation was a bit confusing on wether or not paths had to end on /config. In some other languages, path were expected like that. However, it's been clarified that paths don't have to come with /config at the end. This PR just modify one unit tests to ensure this is not the case in php

Motivation

Additional Notes

Describe how to test your changes

Readiness checklist

• Unit tests have been updated and pass
• If known, an appropriate milestone has been selected
• All new source files include the required notice

Release checklist

• The CHANGELOG.md has been updated