You should be able to trace any record in a Star Schema back to its specific Hub and Source system.
Validate that business rules applied in the Business Vault match the requirements. Testing Data Vault-Based Data Warehouse
Test the performance of PIT tables; they should significantly speed up the joining of multiple Satellites. You should be able to trace any record
Since Data Vault is pattern-based, the first layer of testing ensures the "plumbing" follows the methodology. Testing Data Vault-Based Data Warehouse