CHICAGO — Illinois Gov. J.B. Pritzker has tested negative for the coronavirus after spending five days in isolation, he announced on Twitter. “I am feeling better and have tested negative for COVID-19,” the Democratic governor said in a Sunday afternoon post. “Looking forward to getting back to work in person this week.” The governor’s office last Tuesday announced he had tested positive for the virus and was experiencing mild symptoms. Pritzker had already been in quarantine after coming into close contact with others who tested positive during a week of travel that included a visit to the Wh…