test_utils: utility for getting a test directory #18456
Merged
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This adds a utility method to get the pathname for a directory that should be uniquely used by a single test case iteration.
I intend on using this for unit testing the new storage layer, as it helps prevent failed or crashed tests from interfering with other tests (e.g. some tests may expect an empty directory, which may not be the case if tests reuse the same directory but crash before cleaning up).
Backports Required
Release Notes