/** This should be called from a timed test. */
protected void resume() throws Exception {
final CountDownLatch latch = new CountDownLatch(1);
final String[] failure = new String[1];
suspendContext.continueVm(StepAction.CONTINUE, 0, new ContinueCallback() {
public void failure(String errorMessage) {
failure[0] = errorMessage == null ? "" : errorMessage;
latch.countDown();
}