def validate_ssl_certificate(self, client):
response = client.request('<STR_LIT:GET>', '<STR_LIT>')<EOL>if response.status_code < <NUM_LIT:200> or response.status_code >= <NUM_LIT>:<EOL><INDENT>raise TwilioRestException(response.status_code, '<STR_LIT>', '<STR_LIT>')<EOL><DEDENT>
Validate that a request to the new SSL certificate is successful
:return: null on success, raise TwilioRestException if the request fails