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