When run on an iPad, this test fails with an image diff. The failure is not indicative of a screen-size problem, this appears to be a difference in iPhone/iPad behavior.
Created attachment 361072 [details] Test Results
We still have this Platform specific expectation - https://github.com/WebKit/WebKit/blob/b741d4c7aa5666a19755bab586c7e6baa06f02a4/LayoutTests/platform/ipad/TestExpectations#L54
I think we have coverage of invalid media queries using WPT - https://wpt.fyi/results/css/mediaqueries?label=master&label=experimental&aligned=&q=invalid Should we keep this local test?