assertTwigTransTags example

// Check that lolspeak is the default language for the site.     $this->assertEquals('xx', \Drupal::languageManager()->getDefaultLanguage()->getId(), 'Lolspeak is the default language');
  }

  /** * Tests Twig "trans" tags. */
  public function testTwigTransTags() {
    // Run this once without and once with Twig debug because trans can work     // differently depending on that setting.     $this->drupalGet('twig-theme-test/trans', ['language' => \Drupal::languageManager()->getLanguage('xx')]);
    $this->assertTwigTransTags();

    // Enable debug, rebuild the service container, and clear all caches.     $parameters = $this->container->getParameter('twig.config');
    $parameters['debug'] = TRUE;
    $this->setContainerParameter('twig.config', $parameters);
    $this->rebuildContainer();
    $this->resetAll();

    $this->drupalGet('twig-theme-test/trans', ['language' => \Drupal::languageManager()->getLanguage('xx')]);
    $this->assertTwigTransTags();
  }