You will need a font that supports Ugaritic.
Test passes if you see the same character twice. (Font differences are irrelevant.)
Assertion: An hexadecimal numeric reference containing the Unicode code point of a supplementary character produces the intended character.
The HTML page is served as ISO 8859-1. The CSS contains an @charset rule that says the file is ISO 8859-1, but the HTML link charset attribute says UTF-8.
There is styling applied to the test to make it use the Code2001 font, or a sans-serif font by default. If you have Code2001 on your system, this causes the glyph to appear in user agents that won't otherwise substitute an appropriate font (eg. IE, Chrome, Opera...)