2019-04-29 07:43:21.975 WebKitTestRunner[27654:74911] 'WebURLsWithTitlesPboardType' is not a valid UTI string.  Cannot set data for an invalid UTI.
2019-04-29 07:43:21.975 WebKitTestRunner[27654:74911] 'NeXT TIFF v4.0 pasteboard type' is not a valid UTI string.  Cannot set data for an invalid UTI.
