MATCHER_P(JwtOutputSuccess, jwt_header, "") {
  auto payload_header = absl::StrCat(jwt_header, "-payload");
  return arg.has(payload_header);
}
MATCHER_P(JwtOutputSuccess, jwt_header, "") {
  auto payload_header = absl::StrCat(jwt_header, "-payload");
  return arg.has(payload_header);
}