Robert Kubica: 'I'm happy to be back in an F1 car' By Matthew Knight and Nabila Khouri, CNNUpdated 1457 GMT (2257 HKT) July 6, 2017 Photos: Kubica back in an F1 carRobert Kubica completed a successful F1 test with his former team Renault at Valencia's Circuit Ricardo Tormo in June 2017. Hide Caption 1 of 9