tests/test-chg.t

chgserver: change random state after fork

Before this patch, extensions expecting a different random state per command
will break since the chg request handler will inherit a same random state
from the parent daemon process.

This patch addresses the issue by calling random.seed() after fork.

init repo

  $ hg init foo
  $ cd foo

ill-formed config

  $ hg status
  $ echo '=brokenconfig' >> $HGRCPATH
  $ hg status
  hg: parse error at * (glob)
  [255]