Re-organize and comment clean-up

pkg/analyzer_plugin/test/utilities/test_all.dart

Index: pkg/analyzer_plugin/test/utilities/test_all.dart
diff --git a/pkg/analyzer_plugin/test/utilities/test_all.dart b/pkg/analyzer_plugin/test/utilities/test_all.dart
index 0a87c37e4af363aa0b67497ae7a54441668fba1a..5da339cf7717e0debb92c30096f46b59690b5894 100644
--- a/pkg/analyzer_plugin/test/utilities/test_all.dart
+++ b/pkg/analyzer_plugin/test/utilities/test_all.dart
@@ -4,10 +4,10 @@
 
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
-import 'subscription_manager_test.dart' as subscription_manager_test;
+import 'subscriptions/test_all.dart' as subscriptions;
 
 main() {
   defineReflectiveSuite(() {
-    subscription_manager_test.main();
+    subscriptions.main();
   }, name: 'utilities');
 }