Check for long titles and how they might break layouts.
This post title has a long word that could potentially overflow the content area.
This post has no title specified in the YAML Front Matter. Jekyll should auto-generate a title from the filename.
This post has no body content and should be blank on the post’s page.
This post has many categories.
This post has many tags.
Nested and mixed lists are an interesting beast. It’s a corner case to make sure that lists within lists do not break the ordered list numbering order and list styles go deep enough.