code: def test_cluster_location(gcloud_run, location_arg):
      runner.invoke(cli.app, ["start", location_arg, "test-cluster"])
      assert location_arg in gcloud_run.call_args[0][0]
  
imports: import pytest
  from typer.testing import CliRunner
  from hailtop.hailctl.dataproc import cli
label_desc: Use image node_id 4 for calling a global function with example usage: test_cluster_location(gcloud_run, location_arg) without return types