Testing font-family attribute. Various text elements are used with varying values for the font-family attribute.
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The first two text elements should display in their respective fonts, Haettenschweiler and Charlesworth, if they are installed on the target system. Otherwise, simply displaying the text in some fallback font is enough to pass the test. The last two should be displayed using a fallback font since the value specified for font-family is either invalid or not specified. Failing to display the text means the test is not passed.