source-paths:
    - testcases/dm_upgrade_tolerance_source_down/config/source-0.yaml
    - testcases/dm_upgrade_tolerance_source_down/config/source-1.yaml
    - testcases/dm_upgrade_tolerance_source_down/config/source-2.yaml
task-paths:
    - testcases/dm_upgrade_tolerance_source_down/config/task.yaml
diff-paths:
    - testcases/dm_upgrade_tolerance_source_down/config/diff.toml