Fix for subscribing for notifications after analysis.

pkg/analysis_server/test/analysis_notification_navigation_test.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library test.domain.analysis.notification.navigation;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/constants.dart';
@@ skipping 216 matching lines @@
 class AAA {
   int fff = 123;
   AAA(this.fff);
 }
 ''');
     return prepareNavigation(() {
       assertHasRegionTarget('fff);', 'fff = 123');
     });
   }
 
+  test_afterAnalysis() {
+    addTestFile('''
+class AAA {}
+AAA aaa;
+''');
+    return waitForTasksFinished().then((_) {
+      return prepareNavigation(() {
+        assertHasRegionTarget('AAA aaa;', 'AAA {}');
+      });
+    });
+  }
+
   test_identifier_resolved() {
     addTestFile('''
 class AAA {}
 main() {
   AAA aaa = null;
   print(aaa);
 }
 ''');
     return prepareNavigation(() {
       assertHasRegionTarget('AAA aaa', 'AAA {}');
@@ skipping 207 matching lines @@
 }
 
 
 class _NavigationTarget {
   final String file;
   final int offset;
   final int length;
 
   _NavigationTarget(this.file, this.offset, this.length);
 }