A drive-thru site on a UC Riverside parking lot offering no-cost testing for the coronavirus has tested more than 6,000 people since opening a few weeks ago. The location at Parking Lot 26 was initially only open on weekdays but has since expanded to weekends. Testing is now available daily from 8 a.m. to 12 p.m. and 1 p.m. to 4 p.m. Testing is...