tests/test-issue433.t

run-test: fixed wrong parenthesis

Fixed wrong placement of end parenthesis, from b911cb80c671

http://mercurial.selenic.com/bts/issue433

  $ hg init
  $ echo a > a
  $ hg commit -Ama
  adding a

  $ hg parents -r 0 doesnotexist
  abort: 'doesnotexist' not found in manifest!
  [255]