AT:

• When import is in progress there should be "Import in progress N %" text in footer, where N is number from 0 to 100 showing import progress.
• The progress indicator should be refreshed every once in while (e.g. every 5 seconds), independent of whether the import is currently in progress or not

Hint:
Here you can see the respective rest endpoint of the backend: https://hq2.camunda.com/jenkins/optimize/view/All/job/camunda-optimize/job/optimize-2.0/lastSuccessfulBuild/artifact/backend/target/docs/apidocs/resource_StatusRestService.html