Missing HUnit dependency with cabal

[Phyks]

(cd filters/asciimath; cabal update; make filter-only)
    Downloading the latest package list from hackage.haskell.org
    Skipping download: local and remote files match.
    cabal install --only-dependencies
    Resolving dependencies...
    All the requested packages are already installed:
    Use --reinstall if you want to reinstall anyway.
    cabal configure --enable-optimization --enable-test
    Resolving dependencies...
    Warning: solver failed to find a solution:
    Could not resolve dependencies:
    rejecting: AsciiMath-0.1.0.0:!test (constraint from config file, command line
    flag, or user target requires opposite flag selection)
    trying: AsciiMath-0.1.0.0:*test
    unknown package: HUnit (dependency of AsciiMath-0.1.0.0:*test)
    Dependency tree exhaustively searched.
    Trying configure anyway.
    Configuring AsciiMath-0.1.0.0...
    cabal: Encountered missing dependencies:
    HUnit -any