Verifies that cancelling property value editing doesn't affect undo stack.


Running: selectNode

Running: addNewProperty

Running: editProperty
[expanded] 
element.style { ()

[expanded] 
#inspected { (<style>)
    color: blue;
: ;

[expanded] 
div { (user agent stylesheet)
    display: block;
    unicode-bidi: isolate;


Running: cancelEditing

Running: undoStyles
[expanded] 
element.style { ()

[expanded] 
#inspected { (<style>)
    color: blue;

[expanded] 
div { (user agent stylesheet)
    display: block;
    unicode-bidi: isolate;


Running: onUndoedProperty
[expanded] 
element.style { ()

[expanded] 
#inspected { (<style>)

[expanded] 
div { (user agent stylesheet)
    display: block;
    unicode-bidi: isolate;