test_helpers-1.0.0-alpha6/tests/src/Unit/TestHelpersApi/CallEventSubscriberTestServiceStub.yml

services:
  test_helpers.event_subscriber_stub:
    class: Drupal\Tests\test_helpers\Unit\TestHelpersApi\EventSubscriberStub
    tags:
      - { name: event_subscriber }
  test_helpers.event_subscriber_stub_no_tag:
    class: Drupal\Tests\test_helpers\Unit\TestHelpersApi\EventSubscriberStub