// next map.get()
    when(backingMap.get(KEY)).thenReturn(existingZero);
    // since get returned zero, try a replace; that fails due to a simulated race
    when(backingMap.replace(eq(KEY), eq(existingZero), isA(AtomicInteger.class))).thenReturn(false);
    when(backingMap.putIfAbsent(eq(KEY), isA(AtomicInteger.class))).thenReturn(existing);

    // another map.get()

        when(mavenExecutionRequest.getProjectActivation()).thenReturn(projectActivation);
        when(mavenExecutionRequest.getMakeBehavior()).thenReturn(parameterMakeBehavior);
        when(mavenExecutionRequest.getPom()).thenReturn(parameterRequestedPom);
        when(mavenExecutionRequest.isRecursive()).thenReturn(parameterRecursive);
        if (parameterResumeFrom != null && !parameterResumeFrom.isEmpty()) {

    ExecutorService service = mock(ExecutorService.class);
    when(service.awaitTermination(HALF_SECOND_NANOS, NANOSECONDS))
        .thenReturn(false)
        .thenReturn(true);
    when(service.isTerminated()).thenReturn(true);
    assertTrue(shutdownAndAwaitTermination(service, 1L, SECONDS));
    verify(service).shutdown();

    // next map.get()
    when(backingMap.get(KEY)).thenReturn(existingZero);
    // since get returned zero, try a replace; that fails due to a simulated race
    when(backingMap.replace(eq(KEY), eq(existingZero), isA(AtomicInteger.class))).thenReturn(false);
    when(backingMap.putIfAbsent(eq(KEY), isA(AtomicInteger.class))).thenReturn(existing);

    // another map.get()

    ExecutorService service = mock(ExecutorService.class);
    when(service.awaitTermination(HALF_SECOND_NANOS, NANOSECONDS))
        .thenReturn(false)
        .thenReturn(true);
    when(service.isTerminated()).thenReturn(true);
    assertTrue(shutdownAndAwaitTermination(service, 1L, SECONDS));
    verify(service).shutdown();

    TestHashSet<Entry<String>> entrySet = new TestHashSet<>();
    when((Comparator<Comparable<String>>) toCopy.comparator())
        .thenReturn(Ordering.<Comparable<String>>natural());
    when(toCopy.entrySet()).thenReturn(entrySet);
    ImmutableSortedMultiset<String> unused = ImmutableSortedMultiset.copyOfSorted(toCopy);
    assertTrue(entrySet.toArrayCalled);
  }