test_helpers-1.0.0-alpha6/tests/modules/test_helpers_example/test_helpers_example.routing.yml

test_helpers_example.page:
  path: '/test_helpers_example/page'
  defaults:
    _title: 'Test Helpers Example: list of articles'
    _controller: '\Drupal\test_helpers_example\Controller\TestHelpersExampleController::articlesList'
  requirements:
    _permission: 'access content'