Fix namespace and folder name for tests discovery on DrupalCI.

test/src/Unit/UrlReplaceFilterTest.php → tests/src/Unit/UrlReplaceFilterTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Drupal\Tests\filter\Unit;
+namespace Drupal\Tests\url_replace_filter\Unit;
 
 use Drupal\Core\Language\Language;
 use Drupal\Tests\UnitTestCase;