class_docstr: Tests DAG processor service account.
code: def test_default_automount_service_account_token(self):
      docs = render_chart(
          values={
              "dagProcessor": {
                  "enabled": True,
                  "serviceAccount": {"create": True},
              },
          },
          show_only=[
              "templates/dag-processor/dag-processor-serviceaccount.yaml"
          ],
      )
      assert (
          jmespath.search("automountServiceAccountToken", docs[0])
          is True
      )
  
imports: from __future__ import annotations
  import jmespath
  import pytest
  from tests.charts.helm_template_generator import render_chart
  from tests.charts.log_groomer import LogGroomerTestBase
label_desc: Use image node_id 1 for calling the TestDagProcessorServiceAccount obj's underlying member method code with example usage: obj.test_default_automount_service_account_token() without return types