Reimplement `cabal check` (#8427)

[cabal.git] / cabal-testsuite / PackageTests / Check / ConfiguredPackage / Sanity / NoDupNames / cabal.out

# cabal check
The package will not build sanely due to these errors:
Error: Duplicate sections: dup. The name of every library, executable, test suite, and benchmark section in the package must be unique.
Error: Hackage would reject this package.