tests: update output for shorted prompts from Mercurial
This makes tests pass again after Mercurial commits 4764e8436b2a
(filemerge: make last line of prompts <40 english chars (issue6158),
2019-06-20)
CORE-TEST-OUTPUT-UPDATE: 4764e8436b2a
#!/bin/bash
set -euox pipefail
unset GREP_OPTIONS
NOTOPIC="--config experimental.topic-mode=ignore"
compatbranches=`hg branches --quiet | grep 'mercurial-' | grep -v ':' | sort -n --reverse`
prev='stable'
for branch in $compatbranches; do
hg up $branch
hg merge $prev
hg commit -m "test-compat: merge $prev into $branch"
prev=$branch
done