def test_merge_list(self):
     config = Config({"foo": ["bar"]})
     config.merge({"foo": ["baz"]})
     assert config["foo"] == ["bar", "baz"]
 def test_merge_with_dict(self):
     config = Config({"foo": "bar"})
     config.merge({"foo": "baz"})
     assert config["foo"] == "baz"