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Fix catch-all empty string in CI pytest --only-rerun

Fix catch-all empty string in CI pytest --only-rerun: a task in repo2rlenv-v083-pr diff (Harbor dataset). Title: Fix catch-all empty string in CI pytest --only-rerun

The task

**Title:** Fix catch-all empty string in CI pytest --only-rerun

Part of AdithyaSK/repo2rlenv-v083-pr_diff.