Issue #3100538 by arpad.rozsa: RedirectUITest fails in D8.8

    // Test if the automatically created redirect works.

    $this->assertRedirect('term_test_alias', 'term_test_alias_updated');

    if (version_compare(\Drupal::VERSION, '8.8', '>=')) {

      $path_field = 'path[0][value]';

      $alias_field = 'alias[0][value]';

    }

    else {

      $path_field = 'source';

      $alias_field = 'alias';

    }

    // Test the path alias update via the admin path form.

    $this->drupalPostForm('admin/config/search/path/add', [

      'source' => '/node',

      'alias' => '/aaa_path_alias',

      $path_field => '/node',

      $alias_field => '/aaa_path_alias',

    ], t('Save'));

    // Note that here we rely on fact that we land on the path alias list page

    // and the default sort is by the alias, which implies that the first edit

    // link leads to the edit page of the aaa_path_alias.

    $this->clickLink(t('Edit'));

    $this->drupalPostForm(NULL, ['alias' => '/aaa_path_alias_updated'], t('Save'));

    $this->drupalPostForm(NULL, [$alias_field => '/aaa_path_alias_updated'], t('Save'));

    $redirect = $this->repository->findMatchingRedirect('aaa_path_alias', [], 'en');

    $this->assertEqual($redirect->getRedirectUrl()->toString(), Url::fromUri('base:aaa_path_alias_updated')->toString());

    // Test if the automatically created redirect works.