[7.x] [Reporting] Improve functional test steps (#63259) (#63519)

* resolve conflicts

* get tests to pass

* get more tests to pass

* reduce branch diffs

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

Author: tsullivan

x-pack/plugins/reporting/public/components/job_download_button.tsx

@@ -23,6 +23,7 @@ export const DownloadButton = ({ getUrl, job }: Props) => {
     <EuiButton
       size="s"
       data-test-subj="downloadCompletedReportButton"
+      data-test-href={getUrl(job.id)}
       onClick={() => {
         downloadReport();
       }}