message: Add SQL refactor todo
diff: @@ -106,7 +106,8 @@ namespace iroha {
  static std::string block_store_path;
  // TODO(warchant): IR-1019 hide SQLs under some interface
  -
  + // TODO igor-egorov 24-05-2019 IR-517 Refactor SQL in test
  + // (remove sql from here and use it from the application init funcs)
  const std::string init_ = R"(
  CREATE TABLE IF NOT EXISTS role (
  role_id character varying(32),
  