Fix IE test failures when getting properties with 'Unspecified error.' value
Fix IE test failures when getting properties with 'Unspecified error.' value

@rev rjayaramappa@
@bug W-1819599@

TribeMedia/aura,forcedotcom/aura,lcnbala/aura,badlogicmanpreet/aura,forcedotcom/aura,badlogicmanpreet/aura,SalesforceSFDC/aura,madmax983/aura,madmax983/aura,madmax983/aura,TribeMedia/aura,igor-sfdc/aura,navyliu/aura,badlogicmanpreet/aura,badlogicmanpreet/aura,navyliu/aura,lcnbala/aura,lhong375/aura,igor-sfdc/aura,forcedotcom/aura,lhong375/aura,TribeMedia/aura,madmax983/aura,badlogicmanpreet/aura,navyliu/aura,SalesforceSFDC/aura,lhong375/aura,DebalinaDey/AuraDevelopDeb,TribeMedia/aura,TribeMedia/aura,navyliu/aura,forcedotcom/aura,lcnbala/aura,madmax983/aura,lcnbala/aura,navyliu/aura,igor-sfdc/aura,lhong375/aura,igor-sfdc/aura,DebalinaDey/AuraDevelopDeb,SalesforceSFDC/aura,DebalinaDey/AuraDevelopDeb,forcedotcom/aura,lcnbala/aura,SalesforceSFDC/aura,SalesforceSFDC/aura,navyliu/aura,madmax983/aura,badlogicmanpreet/aura,lcnbala/aura,TribeMedia/aura,DebalinaDey/AuraDevelopDeb,igor-sfdc/aura,DebalinaDey/AuraDevelopDeb,DebalinaDey/AuraDevelopDeb,SalesforceSFDC/aura