examples-3.x-dev/tests/modules/examples_no_module_test/examples_no_module_test.routing.yml

# This file is used to test whether
# Drupal\Tests\examples\Unit\RetrieveRoutingFilesTrait::routingFilesCallback()
# returns only .routing.yml files contained in a directory with a .info.yml.
examples_wrong_route_path_test:
  path: 'examples/tests/wrong-route-path-without-leading-slash'
  defaults:
    # This controller will never be used; there is no module using this file.
    _controller: '\Drupal\examples_description_test\Controller\SampleExampleController::description'
  requirements:
    _permission: 'access content'