Add data-r2dbc smoke test.#32

christophstrobl wants to merge 1 commit intospring-projects:mainspring-projects/spring-lifecycle-smoke-tests:mainfrom

christophstrobl:data/r2dbc/data-r2dbcchristophstrobl/spring-checkpoint-restore-smoke-tests:data/r2dbc/data-r2dbcCopy head branch name to clipboard