PhpUnitBridgeTest.php

<?php

namespace Drupal\FunctionalTests\Core\Test;

use Drupal\Core\Url;
use Drupal\Tests\BrowserTestBase;

/**
 * Tests Drupal's integration with Symfony PHPUnit Bridge.
 *
 * @group Test
 * @group legacy
 */
class PhpUnitBridgeTest extends BrowserTestBase {
    protected static $modules = [
        'deprecation_test',
    ];
    
    /**
     * @expectedDeprecation This is the deprecation message for deprecation_test_function().
     */
    public function testSilencedError() {
        $this->assertEquals('known_return_value', deprecation_test_function());
    }
    
    /**
     * @expectedDeprecation This is the deprecation message for deprecation_test_function().
     */
    public function testErrorOnSiteUnderTest() {
        $this->drupalGet(Url::fromRoute('deprecation_test.route'));
    }

}