7 This tests for regressions against
<i><a href=
"https://bugs.webkit.org/show_bug.cgi?id=8420">http://bugzilla.opendarwin.org/show_bug.cgi?id=
8420</a>
8 iExploder(#
12): Assertion failure in RenderContainer::removeChildNode
</i>.
11 In the render tree, the button should have only one child, an anonymous block wrapping
12 all of the button's other descendants.
15 <button><span><div></div></span></button>