e.g. `make test-single TEST=subquery.test` Plus: chmod +x to all tcl tests in testing folder
We merged two concurrent fixes to `nchange` handling last night and AFAICT the fix in #3692 was incorrect because it doesn't count UPDATEs in cases where the original row was DELETEd as part of the UPDATE statement. The correct fix was in 87434b8
87434b8