Issue #3264122: Move all aggregator tests to the module in preperation of removal in d10

core/modules/migrate_drupal/tests/src/Kernel/d6/MigrateDrupal6AuditIdsTest.php

@@ -128,6 +128,9 @@ function (AuditResult $result) {
     );
 
     $expected = [
+      // @todo Remove aggregator when aggregator is removed from core.
+      'd6_aggregator_feed',
+      'd6_aggregator_item',
       'd6_comment',
       'd6_custom_block',
       'd6_file',