LayoutTests/fast/shadow-dom/shadow-first-line-and-letter-expected.html

<style>
p {
  background-color: antiquewhite;
  padding: 8px;
  border: 1px solid coral;
}

p::first-letter {
  color: blue;
}

p::first-line {
  font-weight: bold;
}
</style>
<p>I should start with a blue I and have a bold first line.</p>