int COUNT_TO_ADD = 400;

    AtomicInteger initial = new AtomicInteger(INITIAL_COUNT);
    when(backingMap.get(KEY)).thenReturn(initial);

    assertEquals(INITIAL_COUNT, multiset.add(KEY, COUNT_TO_ADD));
    assertEquals(INITIAL_COUNT + COUNT_TO_ADD, initial.get());
  }

  public void testAdd_laterFewWithOverflow() {
    final int INITIAL_COUNT = 92384930;

        MavenProject project1 = createProject("groupId1", "artifactId", "1.0");
        projects.add(project1);
        MavenProject project2 = createProject("groupId2", "artifactId", "1.0");
        projects.add(project2);
        project1.getDependencies().add(createDependency(project2));

        projects = new ProjectSorter(projects).getSortedProjects();

            plugins = new LinkedHashSet<>();

            plugins.add(newPlugin("maven-compiler-plugin", "compile", "testCompile"));
            plugins.add(newPlugin("maven-resources-plugin", "resources", "testResources"));
            plugins.add(newPlugin("maven-surefire-plugin", "test"));
            plugins.add(newPlugin("maven-jar-plugin", "jar"));
            plugins.add(newPlugin("maven-install-plugin", "install"));

      derivedSuites.add(createSubMultisetSuite(parentBuilder, Bound.EXCLUSIVE, Bound.NO_BOUND));
      derivedSuites.add(createSubMultisetSuite(parentBuilder, Bound.EXCLUSIVE, Bound.EXCLUSIVE));
      derivedSuites.add(createSubMultisetSuite(parentBuilder, Bound.EXCLUSIVE, Bound.INCLUSIVE));
      derivedSuites.add(createSubMultisetSuite(parentBuilder, Bound.INCLUSIVE, Bound.NO_BOUND));

      derivedSuites.add(createSubMultisetSuite(parentBuilder, Bound.EXCLUSIVE, Bound.NO_BOUND));
      derivedSuites.add(createSubMultisetSuite(parentBuilder, Bound.EXCLUSIVE, Bound.EXCLUSIVE));
      derivedSuites.add(createSubMultisetSuite(parentBuilder, Bound.EXCLUSIVE, Bound.INCLUSIVE));
      derivedSuites.add(createSubMultisetSuite(parentBuilder, Bound.INCLUSIVE, Bound.NO_BOUND));

    Executor exec = Executors.newCachedThreadPool();
    CountDownLatch countDownLatch = new CountDownLatch(3);
    list.add(new MockRunnable(countDownLatch), exec);
    list.add(new MockRunnable(countDownLatch), exec);
    list.add(new MockRunnable(countDownLatch), exec);
    assertEquals(3L, countDownLatch.getCount());

    list.execute();

    ms.add("foo");
    ms.add("a");
    ms.add("bar");
    ms.add("b");
    ms.add("c");

    assertEquals(2, ms.count("bar"));
    assertEquals(3, ms.count("b"));

    Multiset<String> ms2 = TreeMultiset.create(DEGENERATE_COMPARATOR);

    ms2.add("cat", 2);
    ms2.add("x", 3);

    assertEquals(ms, ms2);
    assertEquals(ms2, ms);

  Run({{func_feed, Int32Tensor(3)}}, {{func_op, 0}, {func_op, 1}}, {5, 5});
  VerifyFDef({"add_1"}, M({{"feed1"}, {"feed2"}}), M({{"add"}, {"add_0"}}),
             {{"feed1", "add_1:0"},
              {"feed2", "add_1:1"},
              {"add_1:sum:0", "add"},
              {"add_1:sum:0", "add_0"}},
             {});
}

TEST_F(CApiFunctionTest, TwoDuplicateOutputs_OutputNames) {
  /*

  public void testAddAtIndex_negative() {
    try {
      getList().add(-1, e3());
      fail("add(-1, e) should throw");
    } catch (IndexOutOfBoundsException expected) {
    }
    expectUnchanged();
    expectMissing(e3());
  }

  @ListFeature.Require(SUPPORTS_ADD_WITH_INDEX)
  public void testAddAtIndex_tooLarge() {
    try {
      getList().add(getNumElements() + 1, e3());

      ExecutionListWrapper newExecutionList() {
        return new ExecutionListWrapper() {
          final ExecutionList list = new ExecutionList();

          @Override
          public void add(Runnable runnable, Executor executor) {
            list.add(runnable, executor);
          }

          @Override
          public void execute() {
            list.execute();
          }

          @Override