test: Properly raise FailedToStartError when rpc shutdown before warmup finished
test: Properly raise FailedToStartError when rpc shutdown before warmup finished

Former-commit-id: e5cc8f6a5c24ae8c64e512fdeecbe5c27ec0ba9a
syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin