RuntimeException exception = new RuntimeException("test");
    UncheckedExecutionException e =
        assertThrows(
            UncheckedExecutionException.class,
            () ->
                timeLimiter.runUninterruptiblyWithTimeout(
                    runnableThrowing(exception), DELAY_MS, MILLISECONDS));
    assertThat(e.getCause()).isEqualTo(exception);
  }

  public static <T> Callable<T> callableThrowing(final Exception exception) {

        TimeoutException.class,
        () -> service.runUninterruptiblyWithTimeout(GOOD_RUNNABLE, NOT_ENOUGH_MS, MILLISECONDS));
  }

  public void testRunUninterruptiblyWithTimeout_badRunnableWithEnoughTime() throws Exception {
    UncheckedExecutionException expected =
        assertThrows(
            UncheckedExecutionException.class,
            () -> service.runUninterruptiblyWithTimeout(BAD_RUNNABLE, ENOUGH_MS, MILLISECONDS));

    RuntimeException exception = new RuntimeException("test");
    UncheckedExecutionException e =
        assertThrows(
            UncheckedExecutionException.class,
            () ->
                timeLimiter.runUninterruptiblyWithTimeout(
                    runnableThrowing(exception), DELAY_MS, MILLISECONDS));
    assertThat(e.getCause()).isEqualTo(exception);
  }

  public static <T> Callable<T> callableThrowing(final Exception exception) {

    } catch (Exception e) { // sneaky checked exception
      throw new UncheckedExecutionException(e);
    } catch (Error e) {
      throw new ExecutionError(e);
    }
  }

  @Override
  public void runUninterruptiblyWithTimeout(
      Runnable runnable, long timeoutDuration, TimeUnit timeoutUnit) {
    runWithTimeout(runnable, timeoutDuration, timeoutUnit);
  }

    } catch (Exception e) { // sneaky checked exception
      throw new UncheckedExecutionException(e);
    } catch (Error e) {
      throw new ExecutionError(e);
    }
  }

  @Override
  public void runUninterruptiblyWithTimeout(
      Runnable runnable, long timeoutDuration, TimeUnit timeoutUnit) {
    runWithTimeout(runnable, timeoutDuration, timeoutUnit);
  }

   * @throws ExecutionError if {@code runnable} throws an {@code Error}
   * @since 28.0
   */
  default void runUninterruptiblyWithTimeout(Runnable runnable, Duration timeout)
      throws TimeoutException {
    runUninterruptiblyWithTimeout(runnable, toNanosSaturated(timeout), TimeUnit.NANOSECONDS);
  }