Tests if glyph caches of different languages interfere.
On systems that the locales have different font preferences, the following divs should be displayed in corresponding preferred fonts respectively.

Default font-family:

Simplified Chinese: 誤過骨

Traditional Chinese: 誤過骨

Japanese: 誤過骨

Korean: 誤過骨

Generic font-family (sans-serif):

Simplified Chinese: 誤過骨

Traditional Chinese: 誤過骨

Japanese: 誤過骨

Korean: 誤過骨

Non-generic font-family (Times New Roman):

Simplified Chinese: 誤過骨

Traditional Chinese: 誤過骨

Japanese: 誤過骨

Korean: 誤過骨