PluginParameterExpressionEvaluatorV4 evaluator =
                new PluginParameterExpressionEvaluatorV4(mavenSession.getSession(), null);

        DefaultPlexusConfiguration configuration = new DefaultPlexusConfiguration("config");
        configuration.addChild("uri", "${session.rootDirectory.uri}");
        configuration.addChild("path", "${session.rootDirectory}");
        configuration.addChild("uriString", "${session.rootDirectory.uri.string}");

                new PluginParameterExpressionEvaluator(mavenSession, new MojoExecution(null));

        DefaultPlexusConfiguration configuration = new DefaultPlexusConfiguration("config");
        configuration.addChild("uri", "${session.rootDirectory.uri}");
        configuration.addChild("path", "${session.rootDirectory}");
        configuration.addChild("uriString", "${session.rootDirectory.uri.string}");

        Model model = loadPom(session, request, result);
        if (model != null) {
            Map<String, Object> config = session.getConfigProperties();
            ArtifactDescriptorReaderDelegate delegate =
                    (ArtifactDescriptorReaderDelegate) config.get(ArtifactDescriptorReaderDelegate.class.getName());

            if (delegate == null) {
                delegate = this.delegate;

        PlexusConfiguration plexusConfiguration = (PlexusConfiguration) systemSessionFactory
                .newRepositorySession(request)
                .getConfigProperties()
                .get("aether.transport.wagon.config.repository");
        assertNotNull(plexusConfiguration);
        assertEquals(0, plexusConfiguration.getChildCount());
    }

    @Test