Test for https://bugs.webkit.org/show_bug.cgi?id=34735 [Chromium] OpenType font with CFF glyphs is not handled correctly on Windows XP.

Check if glyphs in Ahem.otf can be rendered correctly. If the test passes, you should see dozens of black square characters below:

Check if glyphs not in Ahem.otf can be rendered using a fallback font. If the test passes, you should see a single-quote character below: