hackport-0.9.0.0: cabal/cabal-testsuite/PackageTests/Check/ConfiguredPackage/Sanity/MalformedMainIsBenchmark/cabal.test.hs
import Test.Cabal.Prelude -- `main-is` has to be a `.hs` or `.lhs` file (or C* source file) (benchmark). main = cabalTest $ fails $ cabal "check" []