maybeSkipTasks(tasks, dockerSupport, ComposeUp.class);
        maybeSkipTasks(tasks, dockerSupport, ComposePull.class);
        maybeSkipTasks(tasks, dockerSupport, ComposeDown.class);

        tasks.withType(Test.class).configureEach(task -> extension.fixtures.all(fixtureProject -> {
            task.dependsOn(fixtureProject.getTasks().named("postProcessFixture"));
            task.finalizedBy(fixtureProject.getTasks().named("composeDown"));

    final Queue<Runnable> tasks = new ArrayDeque<>();

    @Override
    public void execute(Runnable command) {
      tasks.add(command);
    }

    boolean hasNext() {
      return !tasks.isEmpty();
    }

    void runNext() {
      assertTrue("expected at least one task to run", hasNext());
      tasks.remove().run();
    }

    void runAll() {

    public <T> Future<T> submit(Callable<T> task) {
      lastMethodCalled = "submit";
      assertThat(task).isInstanceOf(WrappedCallable.class);
      return inline.submit(task);
    }

    @Override
    public Future<?> submit(Runnable task) {
      lastMethodCalled = "submit";
      assertThat(task).isInstanceOf(WrappedRunnable.class);
      return inline.submit(task);
    }

    @Override

            task.getDocumentationRoot().convention(extension.getUserManual().getStagedDocumentation()); // working/usermanual/raw/
            task.getJavadocRoot().convention(layout.getBuildDirectory().dir("javadoc"));
            task.getReleaseNotesFile().convention(layout.getProjectDirectory().file("src/docs/release/notes.md"));
            task.dependsOn(tasks.named("javadocAll"));
            task.dependsOn(tasks.named("assembleSamples"));

       *   user task -- which means that we already got past this code (or else we exited early
       *   above))
       */
      // Unconditionally set; there is no risk of throwing away a queued task from another thread,
      // because in order for the current task to run on this executor the previous task must have
      // already started execution. Because each task on a TaskNonReentrantExecutor can only produce

  EXPECT_EQ(TF_GetCode(status), TF_OK) << TF_Message(status);

  const char task0_name[] = "/job:localhost/replica:0/task:0/device:CPU:0";
  const char task1_name[] = "/job:localhost/replica:0/task:1/device:CPU:0";
  const char task2_name[] = "/job:localhost/replica:0/task:2/device:CPU:0";

  // Create one variable per task.
  TFE_TensorHandle* h0 = TestVariable(ctx, 1.0, task1_name);
  TFE_TensorHandle* h1 = TestVariable(ctx, 2.0, task2_name);

        });
    }

    private TaskProvider<Task> registerCheckLicenseTask(Project project, TaskProvider<Copy> checkExtraction) {
        TaskProvider<Task> checkLicense = project.getTasks().register("checkLicense", task -> {
            task.dependsOn(checkExtraction);
            task.doLast(new Action<Task>() {
                @Override
                public void execute(Task task) {
                    String licenseFilename = null;

    // Wait for the first task to be started in the background. It will block until we explicitly
    // stop it.
    blockingCallable.waitForStart();

    // Give the second task a chance to (incorrectly) start up while the first task is running.
    assertThat(future2.isDone()).isFalse();

    // Stop the first task. The second task should then run.
    blockingCallable.stop();

                task.dependsOn(bwcMinorConfig);
                task.setCoreConfig(bwcMinorConfig);
                task.setXpackConfig(bwcMinorConfig);
                task.setAdditionalConfig(bwcMinorConfig);
                task.getIncludeCore().set(extension.getRestTests().getIncludeCore());
                task.getIncludeXpack().set(extension.getRestTests().getIncludeXpack());

      "FINE: Q10000 scheduled after 100 µs: task",
      "FINE: Q10000 starting              : task",
      "FINE: Q10000 finished run in   0 µs: task",
      "FINE: Q10000 run again after  50 µs: task",
      "FINE: Q10000 starting              : task",
      "FINE: Q10000 finished run in   0 µs: task",
      "FINE: Q10000 run again after 150 µs: task",
      "FINE: Q10000 starting              : task",