private static final int DELAY = 20;
  private static final TimeUnit UNIT = MILLISECONDS;

  // Unique runnable object used for comparison.
  @SuppressWarnings("AnonymousToLambda")
  final Runnable testRunnable =
      new Runnable() {
        @Override
        public void run() {}
      };

  boolean called = false;

  private void assertSingleCallWithCorrectParameters(

  private static final int DELAY = 20;
  private static final TimeUnit UNIT = MILLISECONDS;

  // Unique runnable object used for comparison.
  @SuppressWarnings("AnonymousToLambda")
  final Runnable testRunnable =
      new Runnable() {
        @Override
        public void run() {}
      };

  boolean called = false;

  private void assertSingleCallWithCorrectParameters(