Automate running DB-tests with an extra database run_tests.sh allows to run database tests easily without affecting other existing databases and on a clean basis. Because roles are cluster-wide, they cannot be easily droped and recreated without affecting other databases. Thus, moved their creation to roles.sql and in passing removed unnecessary role 'gemma'.

function sessionStillActive(expiresFromPastSession) {
  if (!expiresFromPastSession) return false;
  const now = Date.now();
  const stillActive = now < expiresFromPastSession;
  return stillActive;
}

function toMillisFromString(timestring) {
  return timestring * 1000;
}

export { sessionStillActive, toMillisFromString };