code: def test_experiment_run():
      ex = Experiment("some_experiment")
  
      @ex.main
      def main():
          return 12
  
      assert ex.run().result == 12
  
file_path: sacred/tests/test_modules.py
imports: from sacred.config.config_scope import ConfigScope
  from sacred.experiment import Experiment, Ingredient
label_desc: Use image node_id 4 for calling a global function with example usage: test_experiment_run() and returns: int