Function test_header_set_duplication_bug

tests/test_utils.py:238–249

()

def test_header_set_duplication_bug():
    headers = Headers([("Content-Type", "text/html"), ("Foo", "bar"), ("Blub", "blah")])
    headers["blub"] = "hehe"
    headers["blafasel"] = "humm"
    assert headers == Headers(
        [
            ("Content-Type", "text/html"),
            ("Foo", "bar"),
            ("blub", "hehe"),
            ("blafasel", "humm"),
        ]
    )


@pytest.mark.parametrize(