COVID-19 in Winnipeg, be prepared for a long day.Testing sites around the city appear inundated, with lineups of vehicles stretching for blocks, many waiting in their car for hours, and some saying they’ve driven from one testing site to another numerous times, only to be turned away each time.Krystl Keffer and her daughter waited at the new COVID-19 mobile testing site on Portage Avenue for hours Wednesday.“I know I might wait here all day with her and she still might not get tested,” Keffer told Global News. “And then I had my son with me who has special needs and he doesn’t understand about waiting, so he started to get really upset so my mom had to come and pick him up, because he just can’t wait all day.”Keffer says pulling her.