charts-8.x-4.x-dev/tests/modules/charts_test/charts_test.routing.yml

charts_test.data_collector_table_test_form:
  path: '/charts_test/data_collector_table_test_form'
  defaults:
    _form: '\Drupal\charts_test\Form\DataCollectorTableTestForm'
    _title: 'Data collector table test form'
  requirements:
    # Needs to be accessed by an anonymous user.
    _access: 'TRUE'