Context:
Currently the generated data only reflects a very small timespan from when the datageneration was actually executed.
To have more useful - wider distributed - data we need to extend the data generation to modify start-/endDates (process instance as well as activity instances).

AT:

• data generator modifies start/endDate of process instances (in a configurable way)

Out of scope:
start/endDates of activity instances are out of scope of this task