### Question:
QueryManagerBuilder { public static QueryManagerBuilder newQueryManagerBuilder() { return new QueryManagerBuilder(); } private  QueryManagerBuilder();   QueryManagerBuilder(Class<? extends QueryManager> implementationClass); static QueryManagerBuilder newQueryManagerBuilder(); QueryManagerBuilder addCache(Ehcache cache); QueryManagerBuilder addAllCachesCurrentlyIn(CacheManager cacheManager); QueryManager build();  }### Answer:
@Test public void testDefaultsToProperDefaultClass() { try { newQueryManagerBuilder(); } catch (CacheException e) { Assert.assertTrue(e.getCause().getClass() == ClassNotFoundException.class); } }