chore: add integration tests for subscribe_batch and project_by_name#116

AndreaBozzo wants to merge 4 commits intoapache:mainapache/fluss-rust:mainfrom

AndreaBozzo:add-integration-tests-subscribe-batch-project-by-nameAndreaBozzo/fluss-rust:add-integration-tests-subscribe-batch-project-by-nameCopy head branch name to clipboard