LogObserver implements MetricObserver<LookoutMeasurement> { @Override public boolean isEnable() { return true; } LogObserver();  LogObserver(Logger logger); @Override boolean isEnable(); @Override void update(List<LookoutMeasurement> measures, Map<String, String> metadata);  }
@Test public void testLogObserverEnable() { LogObserver logObserver = new LogObserver(); Assert.assertTrue(logObserver.isEnable()); }