On Sat, 14 May 2011, Guy wrote:

The user guide for Cabal 1.10.1.0 specifies "detailed-1.0" as an acceptable test-suite type, but cabal reports Warning: 'detailed-1.0' is not a supported test suite version. The known test suite types are: exitcode-stdio-1.0

After all the cabal-test seems not to be quite finished: http://www.haskell.org/pipermail/cabal-devel/2011-March/007325.html