hackport-0.6.5: cabal/cabal-testsuite/PackageTests/Regression/T5309/cabal.test.hs

import Test.Cabal.Prelude
main = cabalTest $ do
  skipIf =<< isWindows -- TODO: https://github.com/haskell/cabal/issues/6271
  cabal "v2-build" ["all"]
  cabal "v2-test"  ["all"]
  cabal "v2-bench" ["all"]