test: add IsRFC2544 tests
test: add IsRFC2544 tests

Former-commit-id: a2161870f32a91f2c99300b4e022ad9ece6d4552
syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin2