  @Test
  public void put() {

    TransactionInfoCapsule transactionInfoCapsule = new TransactionInfoCapsule();
    transactionInfoCapsule.setId(transactionId);
    transactionInfoCapsule.setFee(1000L);
    transactionInfoCapsule.setBlockNumber(100L);
    transactionInfoCapsule.setBlockTimeStamp(200L);

    TransactionRetCapsule transactionRetCapsule = new TransactionRetCapsule();
    transactionRetCapsule.addTransactionInfo(transactionInfoCapsule.getInstance());
    Assert.assertNull("put transaction info error",
        transactionRetStore.getUnchecked(transactionInfoCapsule.getId()));
    transactionRetStore.put(transactionInfoCapsule.getId(), transactionRetCapsule);
    Assert.assertNotNull("get transaction info error",
        transactionRetStore.getUnchecked(transactionInfoCapsule.getId()));
  }