tests/test-mq-qsave.t

merge.applyupdates: add all actions returned from merge state

At the moment this is a no-op (the only actions defined are 'r', 'a' and 'g'),
but soon we're going to add other sorts of actions to the dictionary returned
from mergestate.actions().

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

  $ hg init

  $ echo 'base' > base
  $ hg ci -Ambase
  adding base

  $ hg qnew -mmqbase mqbase

  $ hg qsave
  $ hg qrestore 2
  restoring status: hg patches saved state