private void putAlltoStore() {
   for (Entry<ByteArray, byte[]> entry :
       ServerTestUtils.createRandomKeyValuePairs(TEST_KEYS).entrySet()) {
     try {
       failingStorageEngine.put(entry.getKey(), new Versioned<byte[]>(entry.getValue()), null);
     } catch (Exception e) {
       // ignore
     }
   }
 }