Added Failing Test For TS Language Server with Cross File Definitions…

[agoel111]

The TS Language servers' response doesn't work with definitions or references to methods of classes across different files.
It is written with reference to #78.

[LakshyAAAgrawal]

Hi @agoel111
Thank you so much for the PRs you have kindly created.

At the moment the unit tests are failing. This is due to some external issue in the unit tests, which I have fixed in the latest commit to main branch.
Could you please merge/rebase on top of main branch to get the unit tests in the CI working again, after which I will review and merge the PR.

Could you please do this for all your branches?

[agoel111]

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[agoel111]

@LakshyAAAgrawal Kindly the desired changes. It should be good now!