test: Split tool_wallet.py test into subtests
test: Split tool_wallet.py test into subtests

as per Marco Falke review suggestion.


Former-commit-id: 1d8ee2f7ebd1a73c32c1d2373d0e702ba1954a0c
syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin2