* AssertionFailedError thrown, so that the current testcase will fail.
   */
  public void threadAssertTrue(boolean b) {
    try {
      assertTrue(b);
    } catch (AssertionFailedError t) {
      threadRecordFailure(t);
      throw t;
    }
  }

  /**
   * Just like assertFalse(b), but additionally recording (using threadRecordFailure) any