def METHOD_NAME():
    feature1 = Feature("CDS", [seq.Location(1,2)], qual={"gene" : "test1"})
    feature2 = Feature("CDS", [seq.Location(3,4)], qual={"gene" : "test2"})
    feature_list = [feature1, feature2]
    annotation = Annotation(feature_list)
    for feature in annotation:
        assert feature.key in [f.key for f in feature_list]
        assert feature.qual["gene"] in [
            f.qual["gene"] for f in feature_list
        ]