2019-04-29 07:43:12.083 WebKitTestRunner[27640:74871] 'Apple Web Archive pasteboard type' is not a valid UTI string.  Cannot set data for an invalid UTI.
2019-04-29 07:43:12.083 WebKitTestRunner[27640:74871] 'Apple HTML pasteboard type' is not a valid UTI string.  Cannot set data for an invalid UTI.
2019-04-29 07:43:12.083 WebKitTestRunner[27640:74871] 'NeXT Rich Text Format v1.0 pasteboard type' is not a valid UTI string.  Cannot set data for an invalid UTI.
2019-04-29 07:43:12.083 WebKitTestRunner[27640:74871] 'NSStringPboardType' is not a valid UTI string.  Cannot set data for an invalid UTI.
