test_backport.py: Make "unusual submodule" tests more reliable
Make "unusual submodule" tests more reliable, particularly in the face
of test failures.
Related MRs:
- !348 (merged)
- !347 (merged)
- !344 (merged)
- !338 (merged) (This MR)
- master
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Make "unusual submodule" tests more reliable, particularly in the face
of test failures.
Related MRs: