  void modifyRequirement(const std::string& yaml) {
    TestUtility::loadFromYaml(yaml, *proto_config_.mutable_rules(0)->mutable_requires());
  }
  void modifyRequirement(const std::string& yaml) {
    TestUtility::loadFromYaml(yaml, *proto_config_.mutable_rules(0)->mutable_requires());
  }