hackport-0.8.0.0: cabal/cabal-testsuite/PackageTests/NewConfigure/LocalConfigOverwrite/cabal.out

# cabal v2-configure
'cabal.project.local' already exists, backing it up to 'cabal.project.local~'.
# cabal v2-configure
'foo.project.local' already exists, backing it up to 'foo.project.local~'.