@Test
public void testLogger() {

    Object result = cache.get("logger", new Callable<Object>() {
        @Override
        public Object call() throws Exception {
            return LoggerFactory.getLogger(ConcurrentCacheTest.class);
        }
    });
    assertEquals(LoggerFactory.getLogger(ConcurrentCacheTest.class), result);
    assertTrue(LoggerFactory.getLogger(ConcurrentCacheTest.class) == result);
}