Create summary files in MockSdk classes

pkg/analysis_server/test/domain_analysis_test.dart

Index: pkg/analysis_server/test/domain_analysis_test.dart
diff --git a/pkg/analysis_server/test/domain_analysis_test.dart b/pkg/analysis_server/test/domain_analysis_test.dart
index 9230d23a024f589f57ccf85b60a3d0c7ede5c46c..0a8fd1c61b3eee043a1982d4197eb8d74412567f 100644
--- a/pkg/analysis_server/test/domain_analysis_test.dart
+++ b/pkg/analysis_server/test/domain_analysis_test.dart
@@ -13,8 +13,10 @@ import 'package:analysis_server/src/domain_analysis.dart';
 import 'package:analysis_server/src/plugin/server_plugin.dart';
 import 'package:analyzer/file_system/memory_file_system.dart';
 import 'package:analyzer/instrumentation/instrumentation.dart';
+import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/sdk.dart';
 import 'package:plugin/manager.dart';
+import 'package:plugin/plugin.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
@@ -33,12 +35,21 @@ main() {
   AnalysisServer server;
   AnalysisDomainHandler handler;
 
+  void processRequiredPlugins(ServerPlugin serverPlugin) {
+    List<Plugin> plugins = <Plugin>[];
+    plugins.addAll(AnalysisEngine.instance.requiredPlugins);
+    plugins.add(AnalysisEngine.instance.optionsPlugin);
+    plugins.add(serverPlugin);
+
+    ExtensionManager manager = new ExtensionManager();
+    manager.processPlugins(plugins);
+  }
+
   setUp(() {
     serverChannel = new MockServerChannel();
     resourceProvider = new MemoryResourceProvider();
-    ExtensionManager manager = new ExtensionManager();
     ServerPlugin serverPlugin = new ServerPlugin();
-    manager.processPlugins([serverPlugin]);
+    processRequiredPlugins(serverPlugin);
     // Create an SDK in the mock file system.
     new MockSdk(resourceProvider: resourceProvider);
     server = new AnalysisServer(
@@ -429,11 +440,10 @@ class AnalysisTestHelper {
   String testCode;
 
   AnalysisTestHelper() {
+    ServerPlugin serverPlugin = new ServerPlugin();
+    processRequiredPlugins(serverPlugin);
     serverChannel = new MockServerChannel();
     resourceProvider = new MemoryResourceProvider();
-    ExtensionManager manager = new ExtensionManager();
-    ServerPlugin serverPlugin = new ServerPlugin();
-    manager.processPlugins([serverPlugin]);
     // Create an SDK in the mock file system.
     new MockSdk(resourceProvider: resourceProvider);
     server = new AnalysisServer(
@@ -597,6 +607,16 @@ class AnalysisTestHelper {
     expect(response, isResponseSuccess('0'));
   }
 
+  void processRequiredPlugins(ServerPlugin serverPlugin) {
+    List<Plugin> plugins = <Plugin>[];
+    plugins.addAll(AnalysisEngine.instance.requiredPlugins);
+    plugins.add(AnalysisEngine.instance.optionsPlugin);
+    plugins.add(serverPlugin);
+
+    ExtensionManager manager = new ExtensionManager();
+    manager.processPlugins(plugins);
+  }
+
   /**
    * Send an `updateContent` request for [testFile].
    */