assertEquals(0, cms.count("a"));
    assertTrue(cms.removeExactly("b", 2));
    assertEquals(1, cms.count("b"));
  }

  public void testIteratorRemove_actualMap() {
    // Override to avoid using mocks.
    multiset = ConcurrentHashMultiset.create();

    multiset.add(KEY);
    multiset.add(KEY + "_2");
    multiset.add(KEY);

    int mutations = 0;

    MockExecutor mock = new MockExecutor();
    TestExecutor testExecutor = new TestExecutor(mock);
    assertFalse(testExecutor.awaitTermination(10, MILLISECONDS));
    mock.assertLastMethodCalled("awaitTermination");
    assertFalse(testExecutor.isTerminated());
    mock.assertLastMethodCalled("isTerminated");
    assertFalse(testExecutor.isShutdown());
    mock.assertLastMethodCalled("isShutdown");

    MockExecutor mock = new MockExecutor();
    TestExecutor testExecutor = new TestExecutor(mock);
    assertFalse(testExecutor.awaitTermination(10, MILLISECONDS));
    mock.assertLastMethodCalled("awaitTermination");
    assertFalse(testExecutor.isTerminated());
    mock.assertLastMethodCalled("isTerminated");
    assertFalse(testExecutor.isShutdown());
    mock.assertLastMethodCalled("isShutdown");

  }

  @AndroidIncompatible // Mocking ExecutorService is forbidden there. TODO(b/218700094): Don't mock.
  public void testGetExitingExecutorService_executorDelegatesToOriginal() {
    TestApplication application = new TestApplication();
    ThreadPoolExecutor executor = mock(ThreadPoolExecutor.class);
    ThreadFactory threadFactory = mock(ThreadFactory.class);
    when(executor.getThreadFactory()).thenReturn(threadFactory);

  }

  @AndroidIncompatible // Mocking ExecutorService is forbidden there. TODO(b/218700094): Don't mock.
  public void testGetExitingExecutorService_executorDelegatesToOriginal() {
    TestApplication application = new TestApplication();
    ThreadPoolExecutor executor = mock(ThreadPoolExecutor.class);
    ThreadFactory threadFactory = mock(ThreadFactory.class);
    when(executor.getThreadFactory()).thenReturn(threadFactory);

    assertEquals(0, cms.count("a"));
    assertTrue(cms.removeExactly("b", 2));
    assertEquals(1, cms.count("b"));
  }

  public void testIteratorRemove_actualMap() {
    // Override to avoid using mocks.
    multiset = ConcurrentHashMultiset.create();

    multiset.add(KEY);
    multiset.add(KEY + "_2");
    multiset.add(KEY);

    int mutations = 0;

    }

    @Test
    void testTerminalWidth() {
        // prepare
        Logger logger = mock(Logger.class);
        when(logger.isInfoEnabled()).thenReturn(true);

        ExecutionEvent event = mock(ExecutionEvent.class);
        MavenProject project = mock(MavenProject.class);
        when(project.getGroupId()).thenReturn("org.apache.maven.plugins.overflow");

    /**
     * Get the value for the key 'mail.send.mock'. <br>
     * The value is, e.g. true <br>
     * comment: Does it send mock mail? (true: no send actually, logging only)
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getMailSendMock();

    /**
     * Is the property for the key 'mail.send.mock' true? <br>
     * The value is, e.g. true <br>

    lock1.lock();
    lock3.lock();
    lock3.unlock();
    lock2.lock();
    lock3.lock();
  }

  public void testExplicitOrdering_violations() {
    lock3.lock();
    PotentialDeadlockException expected =
        assertThrows(PotentialDeadlockException.class, () -> lock2.lock());
    checkMessage(expected, "MyOrder.THIRD -> MyOrder.SECOND");

    lock1.lock();
    lock3.lock();
    lock3.unlock();
    lock2.lock();
    lock3.lock();
  }

  public void testExplicitOrdering_violations() {
    lock3.lock();
    PotentialDeadlockException expected =
        assertThrows(PotentialDeadlockException.class, () -> lock2.lock());
    checkMessage(expected, "MyOrder.THIRD -> MyOrder.SECOND");