code: def setup_method(self):
      self.default_datetime = "2020-06-10T12:02:44+00:00"
  
imports: from __future__ import annotations
  from airflow.api_connexion.schemas.health_schema import health_schema
label_desc: Use image node_id 1 for calling the TestHealthSchema obj's underlying member method code with example usage: obj.setup_method() without return types