tests: handle In-Reply-To headers for line wrapping Python 3 tends to insert a newline for both Message-ID and In-Reply-To headers, so unwrap both. Just check the wrapped line format explicitly without regular expression. Differential Revision: https://phab.mercurial-scm.org/D8171

remotefilelog: add 'changelog' arg to shallowcg1packer.generate (issue6269) This cause traceback on widening using narrow extension when remotefilelog is enabled. Differential Revision: https://phab.mercurial-scm.org/D8134

remotefilelog-test: glob some flaky output line This is similar to ee0959e7d435. The affected line is flaky underload, yet the final result is correct. The command involves background pre-check of output, these are not stable probably because they run in parallel in multiple process. If it become useful to start testing precise internal details of the, they will have to be tested in a more appropriate framework than `.t` tests. Differential Revision: https://phab.mercurial-scm.org/D8179

histedit: py3 fixes for curses mode Differential Revision: https://phab.mercurial-scm.org/D8150