tests/test-config-case.t

tests: quickly check if the glob line already matches the output

This happens when a path with "/" as only glob char is matched on a non windows
platform. (Currently one third of all glob matches.)
The slowdown on windows and the speedup on other os are neglectable.

hide outer repo
  $ hg init

  $ echo '[Section]' >> $HGRCPATH
  $ echo 'KeY = Case Sensitive' >> $HGRCPATH
  $ echo 'key = lower case' >> $HGRCPATH

  $ hg showconfig Section
  Section.KeY=Case Sensitive
  Section.key=lower case