test(cli): add missing test for cloud_run python_version flag

Author: JesserHamdaoui

tests/unittests/cli/utils/test_cli_tools_click.py

@@ -159,7 +159,37 @@ def test_cli_run_service_uris(
     tmp_path: Path,
     monkeypatch: pytest.MonkeyPatch,
     cli_args: list,
+
+
     expected_session_uri: Optional[str],
+    tmp_path: Path, monkeypatch: pytest.MonkeyPatch
+) -> None:
+  """--python_version should be forwarded to cli_deploy.to_gke."""
+  rec = _Recorder()
+  monkeypatch.setattr(cli_tools_click.cli_deploy, "to_gke", rec)
+
+  agent_dir = tmp_path / "agent_gke_pyver"
+  agent_dir.mkdir()
+  runner = CliRunner()
+  result = runner.invoke(
+      cli_tools_click.main,
+      [
+          "deploy",
+          "gke",
+          "--project",
+          "test-proj",
+          "--region",
+          "us-central1",
+          "--cluster_name",
+          "my-cluster",
+          "--python_version",
+          "3.13",
+          str(agent_dir),
+      ],
+  )
+  assert result.exit_code == 0
+  assert rec.calls, "cli_deploy.to_gke must be invoked"
+  assert rec.calls[0][1].get("python_version") == "3.13"
     expected_artifact_uri: Optional[str],
     expected_memory_uri: Optional[str],
 ) -> None: