Issue #2004022 by ollu, ramlev, ParisLiakos: Move aggregator_test() module into its own directory.

core/modules/aggregator/lib/Drupal/aggregator/Tests/AggregatorTestBase.php

@@ -336,17 +336,17 @@ function getEmptyOpml() {
   }
 
   function getRSS091Sample() {
-    return $GLOBALS['base_url'] . '/' . drupal_get_path('module', 'aggregator') . '/tests/aggregator_test_rss091.xml';
+    return $GLOBALS['base_url'] . '/' . drupal_get_path('module', 'aggregator') . '/tests/modules/aggregator_test/aggregator_test_rss091.xml';
   }
 
   function getAtomSample() {
     // The content of this sample ATOM feed is based directly off of the
     // example provided in RFC 4287.
-    return $GLOBALS['base_url'] . '/' . drupal_get_path('module', 'aggregator') . '/tests/aggregator_test_atom.xml';
+    return $GLOBALS['base_url'] . '/' . drupal_get_path('module', 'aggregator') . '/tests/modules/aggregator_test/aggregator_test_atom.xml';
   }
 
   function getHtmlEntitiesSample() {
-    return $GLOBALS['base_url'] . '/' . drupal_get_path('module', 'aggregator') . '/tests/aggregator_test_title_entities.xml';
+    return $GLOBALS['base_url'] . '/' . drupal_get_path('module', 'aggregator') . '/tests/modules/aggregator_test/aggregator_test_title_entities.xml';
   }
 
   /**