ML-DSA was previously known as Dilithium (https://pq-crystals.org/dilithium/index.shtml) and it has been standardized by NIST. The NIST FIPS 204 standard lives @ https://doi.org/10.6028/NIST.FIPS.204.
Note
These KATs are used to test functional correctness & conformance of ML-DSA implementation @ https://github.com/itzmeanjan/ml-dsa.
Simply clone this gist repository