L3 - Default Context:
When creating a process instance duration report grouped by or distributed by a data variable with automatic interval selection (on the date variable buckets), all 80 buckets have the value `null` even when there are instances with non null durations in said buckets. The result's instanceCounts are still correct, as are the bucket keys, just the bucket values are all null.
AT:
- The above described issue is resolved
- IT asserts duration reports with automatic group