UMass testing site continues to meet demand Kyle Mastalerz directs people getting tested on the first day for county residents at the UMass site, Dec. 14. GAZETTE FILE PHOTO Paul Bockelman GAZETTE FILE PHOTO By SCOTT MERZBACH AMHERST — Town Manager Paul Bockelman is a regular at the regional COVID-19 testing site at the Mullins Center on the University of Massachusetts campus. “I go weekly,” Bockelman told the Town Council last week, giving a plug for what he sees as a quick and convenient way to learn whether he has been exposed to the novel coronavirus. “It gives you a sense of peace of mind.”