- TestFormatHTMLKeepsRawHTML: imported-style bodies (paragraphs, attributes, https links and images, entities) round-trip; markdown keeps a trailing raw footer and style
- TestFormatHTMLRejectsUnsafeHTML: every unsafe case must return an error now that the gate is the only defence; adds svg onload, mixed-case schemes and tags, object, embed, script in an HTML block and raw data URLs
- TestPostsAdminResaveKeepsHTML: an admin update of HTML content keeps content_html