### Question:
PaymentServiceImpl implements PaymentService { @Override public CommonResult listTransactionLogsByCollectionAndProjectId(Integer collectionId, Integer projectId){ List<TransactionLog> transactionLogs = transactionLogMapper.listItemsByCollectionIdAndProjectId(collectionId, projectId); return CommonResult.success(transactionLogs); }  @Override CommonResult listTransactionLogsByRegistrationId(Integer registrationId); @Override CommonResult listTransactionLogsByInvoiceCode(String invoiceCode); @Override CommonResult listTransactionLogsByCollectionAndProjectId(Integer collectionId, Integer projectId); @Override @Transactional CommonResult updateTransactionLogsAsPaid(List<TransactionParam> transactionParams); @Override CommonResult updateTransactionLogsAsReturned(List<TransactionParam> transactionLogParams); @Override CommonResult reprintTransactionLog(String invoiceCode, Integer newCashierId); @Override CommonResult listLogsByRegistrationIdAndDate(Integer registrationId, String beginDateStr, String endDateStr);  }### Answer:
@Test public void testListTransactionLogsByCollectionAndProjectId() throws Exception { }