Method splitlines

Lib/test/test_bytes.py:2677–2680

(b, a)

            assert len(a.split(b'\xdd')) == 1

        def splitlines(b, a):
            b.wait()
            l = len(a.splitlines())
            assert l > 1 or l == 0

        def startswith(b, a):
            b.wait()