disable broken test until fixing is possible

I don't know a way to make this test work after issue 20143 was "fixed" 
because I'm not able to use the `resizeTo` method anymore. 
Maybe issue 20216 leads to a solution.
Oh - I forgot to mention, while we prefer `'` better than `"` in Dart, in HTML we are OK with either. I'm actually not sure which one is more common in our own code either (we might use `"` more).

The only case where I think it matters is if we are porting the HTML over as well. For some of the HTML in the examples, we decided to keep the HTML as close as possible to the original HTML used in the Javscript demos. That way the diffs are minimal and we know what to fix when a new change comes by later in the future.

I don't think we need to do anything for this specific test, since there is nothing in the HTML, but for tests that have more, it might make sense to do the same that we do in the `example/` folder.