def test_frame_explain(self, capsys):
d = b'\x00\x00\x08\x00\x01\x00\x00\x00\x01testdata'
Frame.explain(memoryview(d))
captured = capsys.readouterr()
assert captured.out.strip(
) == "DataFrame(stream_id=1, flags=['END_STREAM']): <hex:7465737464617461>"
