Fix TestFilesystem::read_dir_diff_paths #42
Merged
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This function collects the files present in the
left
andright
directories. It should return the path suffix with theleft
andright
prefix stripped. This is necessary becauseprocess_opts
will add theleft
andright
prefix back to the paths returned byread_dir_diff_paths
. If we don't strip the prefix, we will end up with invalid paths where the prefix is duplicated.This went unnoticed since the current tests don't diff directories. I will add a test that diffs directories in a subsequent commit.