Chris@17: container->get('theme_installer')->install($themes); Chris@17: Chris@17: $this->drupalLogin($this->rootUser); Chris@17: Chris@17: foreach ($themes as $theme) { Chris@17: $this->config('system.theme')->set('default', $theme)->save(); Chris@17: $this->drupalGet('admin/people'); Chris@17: $edit = [ Chris@17: 'user_bulk_form[0]' => TRUE, Chris@17: 'action' => 'user_batch_action_test_action', Chris@17: ]; Chris@17: $this->drupalPostForm(NULL, $edit, t('Apply')); Chris@17: $this->assertSession()->pageTextContains('One item has been processed.'); Chris@17: $this->assertSession()->pageTextContains($theme . ' theme used'); Chris@17: } Chris@17: } Chris@17: Chris@17: }