Prevent unit tests from sending emails

Karel van Klink authored 9 months ago and Neda Moeini committed 9 months ago

The built-in task_validate_products is now replaced by task_validate_geant_products such that it removes the step that requires us to add modify_note to all products. This workflow is not used by us, and therefore doesn't need to be tested for.

Added celery beat
Added workflow, task validation schedulling