'Test empty metadata as produced by TaskWrapper.'

def test_empty_metadata(self):

    self.include_metadata = True
    self.include_work_dir_outputs = False
    self.job_wrapper.metadata_line = '    '
    expected_command = _surrond_command(("%s;    return_code=$?;    cd    '%s'" % (MOCK_COMMAND_LINE, self.job_dir)))
    self.__assert_command_is(expected_command)
