test_com_exceptions
** Unhandled exception calling 'int8 do_short(in int16, inout int16, out int16, out retval int16);'
** Returning nsresult of NS_ERROR_FAILURE
** Unhandled exception calling 'int8 do_unsigned_short(in uint16, inout uint16, out uint16, out retval uint16);'
** Returning nsresult of NS_ERROR_FAILURE
** Unhandled exception calling 'int8 do_unsigned_long_long(in uint64, inout uint64, out uint64, out retval uint64);'
** Returning nsresult of NS_ERROR_FAILURE
The xpcom exception tests passed