}
        }

        // initial try, use locally cached metadata

        List<MetadataResult> results = repositorySystem.resolveMetadata(request.getRepositorySession(), requests);
        requests.clear();

        PluginPrefixResult result = processResults(request, trace, results, requests, candidates);

        if (result != null) {

        checkArtifactResult(results.get(2), "artifact-1.0-classifier.zip");
    }

    @Test
    void testResolveMetadata() throws Exception {
        // List<MetadataResult> resolveMetadata( RepositorySystemSession session,
        //                                      Collection<? extends MetadataRequest> requests );
    }

    @Test
    void testInstall() throws Exception {

            metadataRequest.setTrace(trace);
            metadataRequests.add(metadataRequest);
        }

        List<MetadataResult> metadataResults = metadataResolver.resolveMetadata(session, metadataRequests);

        WorkspaceReader workspace = session.getWorkspaceReader();
        if (workspace != null) {
            List<String> versions = workspace.findVersions(request.getArtifact());