Fixed issue where promise chain was broken. (#70004) (#70093)

Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>

Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>

Author: John Dorlus

x-pack/test/functional/apps/rollup_job/rollup_jobs.js

@@ -31,9 +31,9 @@ export default function ({ getService, getPageObjects }) {
     it('create new rollup job', async () => {
       const interval = '1000ms';
 
-      pastDates.map(async (day) => {
+      for (const day of pastDates) {
         await es.index(mockIndices(day, rollupSourceDataPrepend));
-      });
+      }
 
       await PageObjects.common.navigateToApp('rollupJob');
       await PageObjects.rollup.createNewRollUpJob(