'Wrapper utility that returns a test QoS policy.'

@classmethod
def create_qos_policy(cls, name, description=None, shared=False, tenant_id=None):

    body = cls.admin_client.create_qos_policy(name, description, shared, tenant_id)
    qos_policy = body['policy']
    cls.qos_policies.append(qos_policy)
    return qos_policy
