'If the executable specified to ``_sync_command_error_squashed`` cannot
be found then the function nevertheless returns ``None``.'

@if_root
@validateLogging(no_such_executable_logged)
def test_no_such_executable(self, logger):

    result = _sync_command_error_squashed(['nonsense    garbage    made    up    no    such    command'], logger)
    self.assertIs(None, result)
