code: def test_dry_run(gcloud_run):
      res = runner.invoke(
          cli.app,
          ["submit", "test-cluster", "a-script.py", "--dry-run"],
      )
      assert res.exit_code == 0
      assert gcloud_run.call_count == 0
  
file_path: hail/hail/python/test/hailtop/hailctl/dataproc/test_submit.py
imports: from typer.testing import CliRunner
  from hailtop.hailctl.dataproc import cli
label_desc: Use image node_id 3 for calling a global function with example usage: test_dry_run(gcloud_run) without return types