try (InputStream expected = Files.newInputStream(beforePomFile)) {
            Model model = new Model(new MavenStaxReader().read(expected));
            MavenProject project = new MavenProject(model);
            project.setOriginalModel(model);
            ConsumerPomArtifactTransformer t = new ConsumerPomArtifactTransformer((s, p, f) -> {
                try (InputStream is = f.openStream()) {