public void testGetAllCacheEntriesWithBytes() {
      Set<String> keys = new HashSet<>();
      for (int i = 0; i < numEntries; ++i) {
         String key = "key" + i;
         advancedCache(i % numNodes).put(key, new byte[]{(byte) i});
         keys.add(key);
      }
      List<Cache<String, byte[]>> caches = caches();
      for (Cache<String, byte[]> cache : caches) {
         Map<String, CacheEntry<String, byte[]>> map = cache.getAdvancedCache().getAllCacheEntries(keys);
         assertEquals(map.size(), keys.size());
         for (int i = 0; i < numEntries; ++i) {
            CacheEntry<String, byte[]> entry = map.get("key" + i);
            assertEquals(entry.getValue().length, 1);
            assertEquals(entry.getValue()[0], i);
         }
      }
   }