code: def test_launcher_path():
      """Check that the launcher resource exists and wasn't deleted or renamed."""
      assert um.launcher_path() is not None
  
      # check that the name matches the global variable.
      expected = os.path.join(u.resource(""), um.LAUNCHER_SCRIPT)
      assert um.launcher_path() == expected
  
file_path: caliban/tests/caliban/util/test_metrics.py
imports: import json
  import os
  import tempfile
  import caliban.util
  import caliban.util.metrics
label_desc: Use image node_id 2 for calling a global function with example usage: test_launcher_path() without return types