Update conftest.py

[tauhee56]

What does this PR do?

Fixes # (issue)

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[tauhee56]

Removed Unused Import: _pytest was removed as it was unused.
Renamed Variables for Clarity: git_repo_path renamed to repo_src_path for better clarity.
Simplified Suppression of Warnings: Added a comment to explain the purpose of suppressing FutureWarning.

[LysandreJik]

Was this discussed in an issue? I don't think there was anything wrong with the previous state of the file