code: def get_all_collections():
      try:
          with open("/tmp/ci_logs/all_collections.json", "r") as f:
              data = json.load(f)
              all_collections = data["all"]
      except Exception as e:
          log.error(f"get_all_collections error: {e}")
          return [None]
      return all_collections
  
imports: import time
  import pytest
  import json
  from time import sleep
  from pymilvus import connections
  from chaos.checker import InsertChecker, UpsertChecker, FlushChecker, SearchChecker, QueryChecker, DeleteChecker, Op, ResultAnalyzer
  from utils.util_k8s import wait_pods_ready, get_milvus_instance_name
  from utils.util_log import test_log
  from chaos import chaos_commons
  from common import common_func
  from common.milvus_sys import MilvusSys
  from chaos.chaos_commons import assert_statistic
  from common.common_type import CaseLabel
  from chaos import constants
  from delayed_assert import assert_expectations
label_desc: Use image node_id 1 for calling a global function with example usage: get_all_collections() and returns: all_collections, list