Which function do you want to add comments to?
TestSyncMetadataInternal in pkg/ddc/efc/metadata_test.go.
What comments do you want to add?
// TestSyncMetadataInternal tests the syncMetadataInternal method of EFCEngine.
// It verifies the method's behavior under different scenarios:
// 1. When TotalStorageBytes returns an error
// 2. When TotalFileNums returns an error
// 3. When both TotalStorageBytes and TotalFileNums succeed
Which function do you want to add comments to?
TestSyncMetadataInternal in pkg/ddc/efc/metadata_test.go.
What comments do you want to add?