  # Extract Environment Variables from Config (Legacy Format)
  
  Config:
    python_path = .
    test_paths = test
    env_FOO = bar
    env_BAZ = qux
    env_MULTI_WORD = hello world
    timeout = 3600
  
  Extracted environment variables:
    FOO = bar
    BAZ = qux
    MULTI_WORD = hello world
  
  ✓ All legacy format extraction tests passed!
