// notice: extension and classifier not really used in this test...

        CollectRequest collectRequest = new CollectRequest();
        collectRequest.setRoot(new Dependency(artifact, null));
        collectRequest.addRepository(newTestRepository());

        CollectResult collectResult = system.collectDependencies(session, collectRequest);

        List<DependencyNode> nodes = collectResult.getRoot().getChildren();

            pluginSession.setDependencySelector(session.getDependencySelector());
            pluginSession.setDependencyGraphTransformer(session.getDependencyGraphTransformer());

            CollectRequest request = new CollectRequest();
            request.setRequestContext(REPOSITORY_CONTEXT);
            request.setRepositories(repositories);
            request.setRoot(new org.eclipse.aether.graph.Dependency(pluginArtifact, null));

            RepositorySystemSession decorated = decorator.decorate(project, session);
            if (decorated != null) {
                session = decorated;
            }
        }

        CollectRequest collect = new CollectRequest();
        collect.setRootArtifact(RepositoryUtils.toArtifact(project.getArtifact()));
        collect.setRequestContext("project");
        collect.setRepositories(project.getRemoteProjectRepositories());