Ensure HtmlWorkManager is subscribed to the right stream for invalidations in the presence of Sourc…

pkg/analyzer/test/src/task/html_work_manager_test.dart

Index: pkg/analyzer/test/src/task/html_work_manager_test.dart
diff --git a/pkg/analyzer/test/src/task/html_work_manager_test.dart b/pkg/analyzer/test/src/task/html_work_manager_test.dart
index ee102d40f0fa2e23e340fa6637e4eed1697ac325..079cf4184543c51abbf332aeee94d947aff84b68 100644
--- a/pkg/analyzer/test/src/task/html_work_manager_test.dart
+++ b/pkg/analyzer/test/src/task/html_work_manager_test.dart
@@ -311,6 +311,12 @@ class _InternalAnalysisContextMock extends TypedMock
   @override
   AnalysisCache analysisCache;
 
+  // the production version is a stream that carries messages from the cache

[scheglov, 2016/10/28 19:04:45]

Write full sentences please :-)
Start with a capital letter and end with a dot.

+  // since the cache changes. Here, we can just pass the inner stream because
+  // it doesn't change
+  @override
+  get onResultInvalidated => analysisCache.onResultInvalidated;
+
   Map<Source, ChangeNoticeImpl> _pendingNotices = <Source, ChangeNoticeImpl>{};
 
   _InternalAnalysisContextMock() {