def is_ready(self):
        if self.core_server_url is None:
            return False

        finished = False
        try:
            r = requests.get('{0}json/'.format(self.core_server_url), allow_redirects=False)
            if r.status_code == 200:
                finished = True
        except:
            pass

        return finished
Creates an SSL key for development.  This should be used instead of
dataset/ETHPy150Open weblabdeusto/weblabdeusto/server/src/test/selenium/base.py/TestWeblabInstanceRunner.is_ready--crossover with--dataset/ETHPy150Open Eforcers/gae-flask-todo/lib/werkzeug/serving.py/make_ssl_devcert