code: def _mark_passed_tests():
      passed = os.getenv("PASS")
      if not passed:
          return
      for name in [s.strip() for s in passed.split(",")]:
          _mark_test_passed(name)
  
imports: import fnmatch
  import os
  import re
  import sys
  import tempfile
  import guild
  from guild import _test
  from guild import config
  from guild import pip_util
  from guild import util
label_desc: Use image node_id 4 for calling a global function with example usage: _mark_passed_tests() without return types