patch applied (packages/Cabal): Corrected function 'withTest' and updated documentation

[Ian Lynagh]

Wed Jun  2 13:33:11 PDT 2010  Thomas Tuegel <ttuegel at gmail.com>
  * Corrected function 'withTest' and updated documentation
  Ticket #215 (Overhaul support for packages' tests).

    M ./Distribution/PackageDescription.hs -4 +4

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=packages/Cabal;a=darcs_commitdiff;h=20100602203311-30370-d7e31a99ea068b940fac404d5914226979e59039.gz