e.execute(new FakeOp(0));
    e.execute(new FakeOp(1));
    e.execute(new FakeOp(2));
    fakePool.runAll();

    assertEquals(ImmutableList.of(0, 1, 2), callOrder);
  }

  public void testRuntimeException_doesNotStopExecution() {

    AtomicInteger numCalls = new AtomicInteger();

    Runnable runMe =
        new Runnable() {
          @Override
          public void run() {