test: add tests for registering the Language Server
Description
This MR adds a test for the register_language_server
module.
This MR is a follow-up from !1195 (comment 1665690271).
Related Issues
Part of #1052 (closed)
How has this been tested?
No manual tests.
Screenshots (if appropriate):
Types of changes
-
Bug fix (non-breaking change which fixes an issue) -
New feature (non-breaking change which adds functionality) -
Breaking change (fix or feature that would cause existing functionality to change) -
Documentation -
Chore (Related to CI or Packaging to platforms) -
Test gap