WebKit.HitTestResultNodeHandle uses WKBundlePageSetContextMenuClient to set getContextMenuFromDefaultMenu to send the message to complete the test. However, at least testing on WinCairo and PlayStation, when ENABLE_CONTEXT_MENUS is OFF, that will not happen so the test can't complete.
Created attachment 422625 [details] Patch
Comment on attachment 422625 [details] Patch r=me
Committed r274128: <https://commits.webkit.org/r274128> All reviewed patches have been landed. Closing bug and clearing flags on attachment 422625 [details].
<rdar://problem/75198343>