code: def test_dry_run(protocol):
      f = Flow(protocols=protocol).add()
      with f:
          dry_run = f.is_flow_ready()
      dry_run_negative = f.is_flow_ready()
  
      assert dry_run
      assert not dry_run_negative
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_dry_run(protocol) without return types