source-paths:
    - testcases/dm_upgrade_with_optimistic_ddl/config/source0.yaml
    - testcases/dm_upgrade_with_optimistic_ddl/config/source1.yaml
task-paths:
    - testcases/dm_upgrade_with_optimistic_ddl/config/task.yaml
diff-paths:
    - testcases/dm_upgrade_with_optimistic_ddl/config/diff.toml