Tests for the CSS.nodeLayoutFlagsChanged event with the Scrollable enum.


== Running test suite: CSS.nodeLayoutFlagsChanged.Scrollable
-- Running test case: CSS.nodeLayoutFlagsChanged.Scrollable.InitiallyScrollable
PASS: Should be scrollable

-- Running test case: CSS.nodeLayoutFlagsChanged.Scrollable.InitiallyOverflowHidden
Changing to `overflow: scroll`...
PASS: Should render nodes changed to `display: block`.

-- Running test case: CSS.nodeLayoutFlagsChanged.Scrollable.InitiallyOverflowVisible
Changing to `overflow: scroll`...
PASS: Should have become scrollable

-- Running test case: CSS.nodeLayoutFlagsChanged.Scrollable.ContentShrunk
Changing content length
PASS: Should have become non-scrollable

-- Running test case: CSS.nodeLayoutFlagsChanged.Scrollable.IFrameContents
PASS: iframe element should not be scrollable.
PASS: iframe's #document node should not be scrollable
PASS: Iframe <html> element should be scrollable.
PASS: Iframe <body> element should not be scrollable.

-- Running test case: CSS.nodeLayoutFlagsChanged.Scrollable.IFrameWithScrollableBody
PASS: iframe element should not be scrollable.
PASS: iframe's #document node should not be scrollable
PASS: Iframe <html> element should not be scrollable.
PASS: Iframe <body> element should be scrollable.