Context:
We want to enable users to leave start/end in fixed date filters empty to create before/after filters, see OPT-5564 or the BE senate notes: https://confluence.camunda.com/display/CO/2021-08-27+Backend+Senate?focusedTaskId=6 .
We already have IT to test this for instance date filters, but not for flownode date filters. Lets add some IT for the flownode date filters as well.
AT:
- There is IT to test fixed date flownode filters with null start or end