Add notification of analyzed files

pkg/analysis_server/test/analysis_abstract.dart

Index: pkg/analysis_server/test/analysis_abstract.dart
diff --git a/pkg/analysis_server/test/analysis_abstract.dart b/pkg/analysis_server/test/analysis_abstract.dart
index 2efad9594878150db4cf519263c5da9bc6d25963..753a2f5fe333e2fcc9a5b65a0e82ea3ea38f00d1 100644
--- a/pkg/analysis_server/test/analysis_abstract.dart
+++ b/pkg/analysis_server/test/analysis_abstract.dart
@@ -46,6 +46,8 @@ class AbstractAnalysisTest {
   RequestHandler handler;
 
   final List<ServerErrorParams> serverErrors = <ServerErrorParams>[];
+  final List<GeneralAnalysisService> generalServices =
+      <GeneralAnalysisService>[];
   final Map<AnalysisService, List<String>> analysisSubscriptions = {};
 
   String projectPath = '/project';
@@ -74,6 +76,13 @@ class AbstractAnalysisTest {
     return path;
   }
 
+  void addGeneralAnalysisSubscription(GeneralAnalysisService service) {
+    generalServices.add(service);
+    Request request = new AnalysisSetGeneralSubscriptionsParams(generalServices)
+        .toRequest('0');
+    handleSuccessfulRequest(request);
+  }
+
   String addTestFile(String content) {
     addFile(testFile, content);
     this.testCode = content;