Added extra tests for subtitle and poster image support
Added extra tests for subtitle and poster image support

chiefcll/html5test,chiefcll/html5test,NielsLeenheer/html5test,ya7lelkom/html5test,ya7lelkom/html5test,NielsLeenheer/html5test,NielsLeenheer/html5test,mpopp75/html5test,ya7lelkom/html5test,mpopp75/html5test,mpopp75/html5test,chiefcll/html5test