Remove unittest.skip on test_p3_billing_no_ticket
Remove unittest.skip on test_p3_billing_no_ticket

artcz/epcon,artcz/epcon,EuroPython/epcon,artcz/epcon,artcz/epcon,artcz/epcon,EuroPython/epcon,EuroPython/epcon,EuroPython/epcon,artcz/epcon