Description of problem:
python-cryptography started to FTBFS with latest OpenSSL 1.1.1-pre8. TestOpenSSL.test_openssl_assert_error_on_stack fails because there is an additional error on the error stack

Version-Release number of selected component (if applicable):
python-cryptography-2.3-1.fc29
openssl-1.1.1-0.pre8.2.fc29

How reproducible:
Always

Steps to Reproduce:
1. Run test suite
2.
3.

Actual results:
________________ TestOpenSSL.test_openssl_assert_error_on_stack ________________
self = <test_openssl.TestOpenSSL object at 0x3ffd08e7160>
    def test_openssl_assert_error_on_stack(self):
        b = Binding()
        b.lib.ERR_put_error(
            b.lib.ERR_LIB_EVP,
            b.lib.EVP_F_EVP_ENCRYPTFINAL_EX,
            b.lib.EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH,
            b"",
            -1
        )
        with pytest.raises(InternalError) as exc_info:
            _openssl_assert(b.lib, False)
    
        error = exc_info.value.err_code[0]
>       assert error.code == 101183626
E       AssertionError: assert 337146240 == 101183626
E        +  where 337146240 = _OpenSSLErrorWithText(code=337146240, lib=20, func=391, reason=384, reason_text=b'error:14187180:SSL routines:ssl_do_config:bad value').code
tests/hazmat/bindings/test_openssl.py:98: AssertionError

Expected results:
No error

Additional info: