message: skip setting expiry if value is 0
diff: @@ -53,6 +53,12 @@ gulp.task('copy', function () {
  gulp.task('setExpiry', function (done) {
  // Set expiry of 15 days for test builds we create from CI
  const expiryDays = process.argv[4] || 15;
  + if (expiryDays < 1) {
  + console.log(`Not setting expiry as the value provided is ${expiryDays}`);
  + done();
  + return;
  + }
  +
  console.log(`Setting expiry to ${expiryDays} days`);
  const milliseconds = 24*60*60*1000;
  const expiryTime = new Date().getTime() + (expiryDays * milliseconds);
  