Update invalid date check in tests
Update invalid date check in tests

julionc/moment,mj1856/moment,ze-pequeno/moment,OtkurBiz/moment,PKRoma/moment,julionc/moment,OtkurBiz/moment,calebcauthon/moment,calebcauthon/moment,julionc/moment,PKRoma/moment,moment/moment,mj1856/moment,ze-pequeno/moment,ze-pequeno/moment,joelmheim/moment,Oire/moment,xkxx/moment,moment/moment,PKRoma/moment,xkxx/moment,mj1856/moment,joelmheim/moment,Oire/moment,calebcauthon/moment,joelmheim/moment,xkxx/moment,monoblaine/moment,monoblaine/moment,OtkurBiz/moment,moment/moment,Oire/moment