tests/test-config-case.t

qimport: back out 2eec74d7ce95

This patch presumed mq csets must always be secret, which isn't yet
established.

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

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