Automatic update from web-platform-testsFix Selection API idlharness.js test It was entirely broken because SVGElement was unknown. Drive-by: split out the IDL into selection-api.idl. Like with webrtc-pc.idl, match the spec shortname and not the wpt dir. wpt-commits: 6fbbcf8242c40b8ec0dc4ab7ebec9c7a2ae55a34 wpt-pr: 9024 wpt-commits: 6fbbcf8242c40b8ec0dc4ab7ebec9c7a2ae55a34 wpt-pr: 9024