ed with a <a href="https://w3c.github.io/epub-tests/">test suite</a> that follows the examples of the Web Platform test model, but adapted to the specificities of EPUB. The test suite provides separate tests for <em>all</em> <em style="font-variant: small-caps;">must</em> statements, as well as for many <em style="font-variant: small-caps;">should</em> and for some <em style="font-variant: small-caps;">may</em> statements, that appear in the <a href="https://www.w3.org/TR/epub-rs-33/">EPUB 3.3 Reading Syste