added test case: class A extends B implements IC.
added test case: class A extends B implements IC.

HotelsDotCom/rainbow,cybrox/rainbow,linuxl0ver/rainbow,greyhwndz/rainbow,jeremykenedy/rainbow,javipepe/rainbow,metasyn/rainbow,segmentio/rainbow,greyhwndz/rainbow,ccampbell/rainbow,metasyn/rainbow,greyhwndz/rainbow,ptigas/rainbow,javipepe/rainbow,ptigas/rainbow,linuxl0ver/rainbow,javipepe/rainbow,jeremykenedy/rainbow,metasyn/rainbow,ccampbell/rainbow,segmentio/rainbow,cybrox/rainbow,linuxl0ver/rainbow,cybrox/rainbow,HotelsDotCom/rainbow,jeremykenedy/rainbow,HotelsDotCom/rainbow