1 Test calling getPropertyValue on computed styles for -webkit-border-image property.
3 -webkit-box-reflect: right calc(50%);
5 getPropertyValue: right 50% none
7 -webkit-box-reflect: below calc(5px) -webkit-gradient(linear, 0 0, 0 0) 25 25 25 25 stretch stretch;
9 getPropertyValue: below 5px -webkit-gradient(linear, 0 0, 0 0) 25 fill / auto / 0px stretch