tests/test-mq-qsave

call ui.updateopts only after changing directories

This corrects --config paths.foo=bar when it's used with --cwd

#!/bin/sh

echo "[extensions]" >> $HGRCPATH
echo "mq=" >> $HGRCPATH

hg init a
cd a

echo 'base' > base
hg ci -Ambase -d '1 0'

hg qnew -mmqbase mqbase

hg qsave
hg qrestore 2