Cork Covid testing centres revise available time slots Cork Kerry Community Healthcare announced the revised time slots for walk-in testing at Covid-19 test centres in Cork and Kerry on Wednesday. Pic; Larry Cummins. Roisin Burke The opening hours for walk-ins at the Covid testing centres in Cork and Kerry are being changed. Cork Kerry Community Healthcare announced the revised time slots for walk-in testing at Covid-19 test centres in Cork and Kerry on Wednesday. Walk-in testing without appointment or referral will still be available at the following times: The Lee Test Centre, Cork city - Monday to Sunday: 9am to 11am, Dunmanway – Monday to Saturday: 9am to midday (closed on Sunday).