tests: add some re and globs for test-revset on python3
At this point we're down to two deprecation warnings (which I suspect
are showing a bug in the test?) and one weird-looking failure. Progress!
Differential Revision: https://phab.mercurial-scm.org/D2559
{header}
# HG changeset patch
# User {author}
# Date {date|hgdate}
# Node ID {node}
{parent%changesetparent}
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