Tests that disabling shorthand removes the "overriden" mark from the UA shorthand it overrides.
Before disable
[expanded]
element.style { ()
margin: 10px;
[expanded]
body { (user agent stylesheet)
display: block;
/-- overloaded --/ margin: 8px;
After disable
[expanded]
element.style { ()
/-- overloaded --/ /-- disabled --/ /* margin: 10px; */
[expanded]
body { (user agent stylesheet)
display: block;
margin: 8px;
After enable
[expanded]
element.style { ()
margin: 10px;
[expanded]
body { (user agent stylesheet)
display: block;
/-- overloaded --/ margin: 8px;