addInbound example

    // aliases will not be found.     $priorities = [
      1000 => $alias_processor,
      500 => $decode_processor,
      300 => $front_processor,
      200 => $language_processor,
    ];

    // Create the processor manager and add the processors.     $processor_manager = new PathProcessorManager();
    foreach ($priorities as $priority => $processor) {
      $processor_manager->addInbound($processor, $priority);
    }

    // Test resolving the French homepage using the incorrect processor order.     $test_path = '/fr';
    $request = Request::create($test_path);
    $processed = $processor_manager->processInbound($test_path, $request);
    $this->assertEquals('/', $processed, 'Processing in the incorrect order fails to resolve the system path from the empty path');

    // Test resolving an existing alias using the incorrect processor order.     $test_path = '/fr/foo';
    $request = Request::create($test_path);