Test for bug 95373: https://bugs.webkit.org/show_bug.cgi?id=95373 (border-radius) when border-radius:50% there is still 'invisible' square box

Click outerBox
Click outerBox
Click innerBox
Click outerBox
Click innerBox
Click outerBox
Click outerBox
Click outerBox
Click innerBox
Click innerBox
Click outerBox
Click outerBox
Click innerBox
Click innerBox