No Hits on my L2 Cache ?

gistfile1.java

@RunWith(SpringJUnit4ClassRunner.class)
@TransactionConfiguration(transactionManager = "txManager", defaultRollback = true)
...
public class BookDaoTest extends AbstractTransactionalJUnit4SpringContextTests {
 @Test public void testBookEntityCaching() {     
     bookDao.findById(3); 
        bookDao.findById(3);
	Statistics stats = bookDao.getHibernateStatistics();
	String regionName = "edu.uw.data.model.Book";
	SecondLevelCacheStatistics level2BookEntityStats = 
                                     stats.getSecondLevelCacheStatistics(regionName);
	assertNotNull("missing ehcache region or @Cache ",level2BookEntityStats);
	assertThat(level2BookEntityStats.getHitCount(), Is.is(greaterThan(0L)));
}