check_chronic
	-- only do this for project at a time at most
	-- maybe only for project, context or project, context, host
	for each item in chronic table
		if pass/disable :
			remove from chronic table
		else :
			if current test run - chronic table test run > N days :
				set chronic flag on result

	for each item ( in current test run ) and status != [PD] :
		enter in chronic table with identity and date of todays test run
		-- chronic table to have a unique index; ignore error if it is already there


