Add smoketest for UC3 Flink

added modul/benchmarks/flink label

requested review from @she

assigned to @she

approved this merge request

added 3 commits

• 2af1697d...9a64d3bd - 2 commits from branch main
• ab03f6f4 - Add smoketest for UC3 Flink

Compare with previous version

enabled an automatic merge when the pipeline for ab03f6f4 succeeds

merged

mentioned in commit 4b197804