The Joliet drive-thru testing site located in the parking lot at the Walmart Supercenter at 2424 W. Jefferson St., Joliet, Ill. is shifting to an appointment-only model, supported by Walmart, eTrueNorth and state and local officials. Those eligible for testing can sign up for an appointment via eTrueNorth at The site will test all first responders and healthcare workers and anyone who is exhibiting symptoms of COVID-19. There is no out-of-pocket cost to the individual. The site is open from 9 a.m. to 4 p.m., weather permitting, and will test all healthcare providers and first responders and those who are exhibiting symptoms of COVID-19.