DevelRequirementsTest.php

<?php

namespace Drupal\Tests\devel\Functional;

use PHPUnit\Framework\Attributes\Group;

/**
 * Tests devel requirements.
 */
class DevelRequirementsTest extends DevelBrowserTestBase {
  
  /**
   * Tests that the status page shows a warning when evel is enabled.
   */
  public function testStatusPage() : void {
    $this->drupalLogin($this->adminUser);
    $this->drupalGet('admin/reports/status');
    $this->assertSession()
      ->statusCodeEquals(200);
    $this->assertSession()
      ->pageTextContains('Devel module enabled');
    $this->assertSession()
      ->pageTextContains('The Devel module provides access to internal debugging information; therefore it\'s recommended to disable this module on sites in production.');
  }

}