LayoutTests/fast/layoutformattingcontext/max-content-and-box-sizing-simple.html

<!-- webkit-test-runner [ LayoutFormattingContextEnabled=true InlineFormattingContextIntegrationEnabled=false ] -->
<style>
div {
  position: absolute;
  box-sizing: border-box; 
  width: max-content;
  padding: 1px;
  border: 1px solid green;
}
</style>
<div>PASS if there's only one line here (no wrapping).</div>