Configurable timeout for extensive testing on updates

Could the 3600 timeout on extensive tests be increased or preferably user configurable or a single variable at the top of the code in

@Eugene Please can you share a motivating use case for increasing the timeout for this job type specifically.

Thanks for considering. See error below

As a temporary fix, you may edit line 545 in to specify a timeout different from 3600 seconds. We are considering a more elegant workaround for a future patch or release.