void compareLoggers(ControlLogger controlLogger, Logger logger) {
    assertEquals(controlLogger.getName(), logger.getName());
    assertEquals(controlLogger.getEffectiveLevel(), logger.getEffectiveLevel());

    Level controlLevel = controlLogger.getLevel();
    Level level = logger.getLevel();

    if (controlLevel == null) {
      assertNull(level);
    } else {
      assertEquals(controlLevel, level);
    }
  }