In WT-5211 and related tickets, test/format was changed to attempt to dump the failing page and LAS table on snapshot-isolation search mismatches. That work can drop core, which format.sh won't interpret as a failure.
In WT-5211 and related tickets, test/format was changed to attempt to dump the failing page and LAS table on snapshot-isolation search mismatches. That work can drop core, which format.sh won't interpret as a failure.