def test_bz2(selenium):
    selenium.run("""
        import bz2

        text = "Hello test test test test this is a test test test"
        some_compressed_bytes = bz2.compress(text.encode('utf-8'))
        assert some_compressed_bytes != text
        decompressed_bytes = bz2.decompress(some_compressed_bytes)
        assert decompressed_bytes.decode('utf-8') == text
    """)