Manager._is_http_test, Manager._needs_web_platform_test, Manager._is_websocket_test etc. should all be known by Test, and computed by the LayoutTestFinder. Alternate explanation: Manager shouldn't know about specific paths.
Created attachment 425766 [details] Patch
Committed r275888 (236453@main): <https://commits.webkit.org/236453@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 425766 [details].
<rdar://problem/76596286>