Send 'analysis.errors' notification only for files in analysis roots.

pkg/analysis_server/test/analysis/test_all.dart

Index: pkg/analysis_server/test/analysis/test_all.dart
diff --git a/pkg/analysis_server/test/analysis/test_all.dart b/pkg/analysis_server/test/analysis/test_all.dart
index c33c81c358c8cb0c626c7c7f32f32861f00fe707..5029a519310426ef21cb9efe3034c8a93f4333af 100644
--- a/pkg/analysis_server/test/analysis/test_all.dart
+++ b/pkg/analysis_server/test/analysis/test_all.dart
@@ -6,6 +6,7 @@ library test.analysis;
 import 'package:unittest/unittest.dart';
 
 import 'get_errors_test.dart' as get_errors_test;
+import 'notification_errors_test.dart' as notification_errors_test;
 
 /**
  * Utility for manually running all tests.
@@ -14,5 +15,6 @@ main() {
   groupSep = ' | ';
   group('search', () {
     get_errors_test.main();
+    notification_errors_test.main();
   });
 }