hackport-0.5.5: cabal/cabal-testsuite/PackageTests/Backpack/Fail2/setup.test.hs

import Test.Cabal.Prelude
main = setupAndCabalTest $ do
    skipUnless =<< ghcVersionIs (>= mkVersion [8,1])
    r <- fails $ setup' "configure" []
    assertOutputContains "non-existent" r
    return ()