Issue #3099971 by huzooka: Hard-coded uri string in WorkflowListBuilder breaks...

use Drupal\Core\Entity\EntityInterface;

use Drupal\Core\Entity\EntityStorageInterface;

use Drupal\Core\Entity\EntityTypeInterface;

use Drupal\Core\Url;

use Symfony\Component\DependencyInjection\ContainerInterface;

/**

    $build = parent::render();

    $workflow_types_count = count($this->workflowTypeManager->getDefinitions());

    if ($workflow_types_count === 0) {

      $build['table']['#empty'] = $this->t('There are no workflow types available. In order to create workflows you need to install a module that provides a workflow type. For example, the <a href=":content-moderation">Content Moderation</a> module provides a workflow type that enables workflows for content entities.', [':content-moderation' => '/admin/modules#module-content-moderation']);

      $build['table']['#empty'] = $this->t('There are no workflow types available. In order to create workflows you need to install a module that provides a workflow type. For example, the <a href=":content-moderation">Content Moderation</a> module provides a workflow type that enables workflows for content entities.', [':content-moderation' => Url::fromRoute('system.modules_list', [], ['fragment' => 'module-content-moderation'])->toString()]);

    }

    return $build;

  }

namespace Drupal\Tests\workflows\Functional;

use Drupal\Core\Url;

use Drupal\Tests\BrowserTestBase;

/**

    $this->assertSession()->linkExists('Content Moderation');

    $this->assertSession()->pageTextNotContains('Add workflow');

    $this->clickLink('Content Moderation');

    $modules_list_url_absolute = Url::fromRoute('system.modules_list', [], [

      'fragment' => 'module-content-moderation',

      'absolute' => TRUE,

    ])->toString();

    $this->assertSame($this->getSession()->getCurrentUrl(), $modules_list_url_absolute);

    // The current user does not have the 'administer modules' permission.

    $this->assertSession()->statusCodeEquals(403);

    $this->container->get('module_installer')->install(['workflow_type_test']);

    // The render cache needs to be cleared because although the cache tags are

    // correctly set the render cache does not pick it up.