IE7 emulated using IE11 sets this property, this ensures test parity with real IE7
IE7 emulated using IE11 sets this property, this ensures test parity with real IE7

kdzwinel/polyfill-service,kdzwinel/polyfill-service,mcshaz/polyfill-service,mcshaz/polyfill-service,jonathan-fielding/polyfill-service,JakeChampion/polyfill-service,jonathan-fielding/polyfill-service,kdzwinel/polyfill-service,mcshaz/polyfill-service,jonathan-fielding/polyfill-service,JakeChampion/polyfill-service