List<?> exp = copyToList(expected);
    List<?> act = copyToList(actual);
    String actString = act.toString();

    // Of course we could take pains to give the complete description of the
    // problem on any failure.

    // Yeah it's n^2.
    for (Object object : exp) {
      if (!act.remove(object)) {
        Assert.fail(

    List<?> exp = copyToList(expected);
    List<?> act = copyToList(actual);
    String actString = act.toString();

    // Of course we could take pains to give the complete description of the
    // problem on any failure.

    // Yeah it's n^2.
    for (Object object : exp) {
      if (!act.remove(object)) {
        Assert.fail(

                } else if ("".equals(artifact.getClassifier())) {
                    mains.add(artifact);
                }
            }
        }
        if (!mains.isEmpty() && !consumers.isEmpty()) {
            ArrayList<Artifact> result = new ArrayList<>(artifacts);
            for (Artifact main : mains) {
                result.remove(main);
                result.add(new DefaultArtifact(