message: Match timeout error with regular expression
  In node <=10 "Script execution timed out" is thrown while in
  node 11 "Script execution timed out after 2000ms" is thrown.
  Use of RegEx matches both messages for RCE Tier 2 challenge.
diff: @@ -13,7 +13,7 @@ module.exports = function b2bOrder () {
  vm.runInContext('safeEval(orderLinesData)', sandbox, { timeout: 2000 })
  res.json({ cid: body.cid, orderNo: uniqueOrderNumber(), paymentDue: dateTwoWeeksFromNow() })
  } catch (err) {
  - if (err.message === 'Script execution timed out.') {
  + if (err.message && err.message.match(/Script execution timed out.*/)) {
  if (utils.notSolved(challenges.rceOccupyChallenge)) {
  utils.solve(challenges.rceOccupyChallenge)
  }
  