def METHOD_NAME(self, analysis_plugin):
    test_file = FileObject(file_path=YARA_TEST_FILE)
    with pytest.raises(KeyError):
        analysis_plugin.add_os_key(test_file)
    test_file.processed_analysis[analysis_plugin.NAME] = {'summary': ['OpenSSL']}
    analysis_plugin.add_os_key(test_file)
    assert 'tags' not in test_file.processed_analysis[analysis_plugin.NAME]