Expect ExeAndLib broken until #4607 is merged

cabal-testsuite/PackageTests/NewBuild/CmdRun/ExeAndLib/cabal.test.hs

 import Test.Cabal.Prelude
 import Control.Monad ( (>=>) )
-main = cabalTest $ do
+main = cabalTest $ expectBroken 4607 $ do
     -- the exe
     cabal' "new-run" ["foo"] >>= assertOutputContains "Hello World"
     -- the lib