repository.getLayout(),
                    repository.getSnapshots(),
                    repository.getReleases());

            repository.setMirroredRepositories(Collections.singletonList(original));

            repository.setId(mirror.getId());
            repository.setUrl(mirror.getUrl());

            if (mirror.getLayout() != null && !mirror.getLayout().isEmpty()) {

                new RemoteRepository.Builder("mirror", "default", "file:target/test-classes/repo").build());
        this.session = session.withLocalRepository(localRepository)
                .withRemoteRepositories(Collections.singletonList(remoteRepository));
        InternalSession.associate(rss, this.session);
        sessionScope.enter();
        sessionScope.seed(InternalMavenSession.class, InternalMavenSession.from(this.session));
    }

        private List<ProjectBuildingResult> doBuild(Map<File, MavenProject> projectIndex, InterimResult interimResult) {
            if (interimResult.projectBuildingResult != null) {
                return Collections.singletonList(interimResult.projectBuildingResult);
            }
            MavenProject project = interimResult.project;
            try {

    actsLikeIteratorHelper(Collections.emptyList());
  }

  public void testPeekingIteratorBehavesLikeIteratorOnSingletonIterable() {
    actsLikeIteratorHelper(Collections.singletonList(new Object()));
  }

  // TODO(cpovirk): instead of skipping, use a smaller number of steps
  @GwtIncompatible // works but takes 5 minutes to run

    actsLikeIteratorHelper(Collections.emptyList());
  }

  public void testPeekingIteratorBehavesLikeIteratorOnSingletonIterable() {
    actsLikeIteratorHelper(Collections.singletonList(new Object()));
  }

  // TODO(cpovirk): instead of skipping, use a smaller number of steps
  @GwtIncompatible // works but takes 5 minutes to run

    private static final String PREFIX_POM = "pom.";
    private static final List<String> PROJECT_PREFIXES_3_1 = Arrays.asList(PREFIX_POM, PREFIX_PROJECT);
    private static final List<String> PROJECT_PREFIXES_4_0 = Collections.singletonList(PREFIX_PROJECT);

    private static final Collection<String> TRANSLATED_PATH_EXPRESSIONS;

    static {
        Collection<String> translatedPrefixes = new HashSet<>();

        // MNG-1927, MNG-2124, MNG-3355:

            removeMatchingRepository(pomRepositories, repository.getId());
        }

        List<RemoteRepository> newRepositories =
                Collections.singletonList(ArtifactDescriptorUtils.toRemoteRepository(repository));

        if (ProjectBuildingRequest.RepositoryMerging.REQUEST_DOMINANT.equals(repositoryMerging)) {

                "maven-plugin",
                "",
                new DefaultArtifactHandler("maven-plugin"));
        pd.setPluginArtifact(artifact);

        pd.setArtifacts(Collections.singletonList(artifact));
        DefaultDependencyNode node = new DefaultDependencyNode(
                new org.eclipse.aether.graph.Dependency(RepositoryUtils.toArtifact(artifact), "compile"));
        pd.setDependencyNode(node);

    assertFalse(entries.contains((Object) 4.5));
    assertFalse(entries.remove((Object) 4.5));
    assertFalse(entries.contains(Maps.immutableEntry("foo", Collections.singletonList(1))));
    assertFalse(entries.remove(Maps.immutableEntry("foo", Collections.singletonList(1))));
    assertFalse(entries.contains(Maps.immutableEntry("foo", Sets.newLinkedHashSet(asList(1, 2)))));

                    if (result.getRepository() instanceof RemoteRepository) {
                        RemoteRepository r = (RemoteRepository) result.getRepository();
                        subRequest.setRepositories(Collections.singletonList(r));
                    } else {
                        subRequest.setRepositories(request.getRepositories());
                    }
                    VersionResult subResult = resolveVersion(session, subRequest);