[rocm-libraries] ROCm/rocm-libraries#4525 (commit 7f34b22)

[CK] Fix the launch_tests script.

## Motivation

Fix the script that filters the tests.

## Technical Details

There were several places where the paths had to be updated for the
launch_tests script to work correctly.

## Test Plan

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## Test Result

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## Submission Checklist

- [ ] Look over the contributing guidelines at
https://github.com/ROCm/ROCm/blob/develop/CONTRIBUTING.md#pull-requests.