Tests that disabling inherited style property does not break further style inspection.

Before disable
[expanded] 
element.style  { ()

[expanded] 
div  { (user agent stylesheet)
display: block;

======== Inherited from div#container ========
[expanded] 
Style Attribute  { ()
font-weight: bold;


After disable:
[expanded] 
element.style  { ()

[expanded] 
div  { (user agent stylesheet)
display: block;