class_docstr: Base class for K8S Tests.
class_docstr_tok: ["Base","class","for","K8S","Tests","."]
code: def start_job_in_kubernetes(self, dag_id, host):
      result_json = self.start_dag(dag_id=dag_id, host=host)
      dag_runs = result_json["dag_runs"]
      assert len(dag_runs) > 0
      execution_date = None
      dag_run_id = None
      for dag_run in dag_runs:
          if dag_run["dag_id"] == dag_id:
              execution_date = dag_run["execution_date"]
              dag_run_id = dag_run["dag_run_id"]
              break
      assert (
          execution_date is not None
      ), f"No execution_date can be found for the dag with {dag_id}"
      return dag_run_id, execution_date
  
imports: from __future__ import annotations
  import os
  import subprocess
  import tempfile
  import time
  from datetime import datetime
  from pathlib import Path
  from subprocess import check_call, check_output
  import pytest
  import re2
  import requests
  import requests.exceptions
  from requests.adapters import HTTPAdapter
  from urllib3.util.retry import Retry
label_desc: Use image node_id 10 for calling the BaseK8STest obj's underlying member method code with example usage: obj.start_job_in_kubernetes(dag_id, host) and returns: dag_run_id,  execution_date