This patch adds a new TestReportBody type, and updates the wpt driver for WKTR to exercise this logic.
<rdar://problem/99459809>
Pull request: https://github.com/WebKit/WebKit/pull/3936
Committed 254104@main (c9b558b5b45b): <https://commits.webkit.org/254104@main> Reviewed commits have been landed. Closing PR #3936 and removing active labels.