________________ HttpsCertificateTestCase.test_https_cert_error ________________
self = <tests.http_tests.HttpsCertificateTestCase testMethod=test_https_cert_error>
    def test_https_cert_error(self):
        """Test if http.fetch respects disable_ssl_certificate_validation."""
        self.assertRaises(pywikibot.FatalServerError,
                          http.fetch,
                          uri='https://testssl-expire-r2i2.disig.sk/index.en.html')
    
        with warnings.catch_warnings(record=True) as warning_log:
            response = http.fetch(
                uri='https://testssl-expire-r2i2.disig.sk/index.en.html',
                disable_ssl_certificate_validation=True)
        r = response.content
        self.assertIsInstance(r, unicode)
        self.assertTrue(re.search(r'<title>.*</title>', r))
    
        # Verify that it now fails again
        http.session.close()  # but first clear the connection
        self.assertRaises(pywikibot.FatalServerError,
                          http.fetch,
                          uri='https://testssl-expire-r2i2.disig.sk/index.en.html')
    
        # Verify that the warning occurred
>       self.assertEqual(len(warning_log), 1)
E       AssertionError: 2 != 1
tests/http_tests.py:150: AssertionError