'Passing :py:obj:`None` to :py:obj:`PKCS12.set_ca_certificates` removes all CA
certificates.'

def test_removing_ca_cert(self):

    p12 = self.gen_pkcs12(server_cert_pem, server_key_pem, root_cert_pem)
    p12.set_ca_certificates(None)
    self.assertEqual(None, p12.get_ca_certificates())
