We can use the current `MessageItem` related tests located at `services/tunnelbroker/test/DatabaseManagerTest.cpp`.
When running `yarn test-tunnelbroker-service-in-sandbox` test should not fail including `MessageItem` related tests:
- PutAndFoundMessageItemsStaticDataIsSame
- PutAndFoundMessageItemsGeneratedDataIsSame
- PutAndFoundByReceiverMessageItemsDataIsSame