Make server use the common protocol 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 046d20f6c55f12eefc7d8e94db14b35abb47a029..f57ba299228c5783b01a90d7c28d3623153bdfba 100644
--- a/pkg/analysis_server/test/domain_analysis_test.dart
+++ b/pkg/analysis_server/test/domain_analysis_test.dart
@@ -14,6 +14,7 @@ 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:analyzer_plugin/protocol/protocol_common.dart';
 import 'package:analyzer_plugin/protocol/protocol_generated.dart' as plugin;
 import 'package:plugin/manager.dart';
 import 'package:plugin/plugin.dart';
@@ -451,7 +452,7 @@ class AnalysisTestHelper {
         new MockPackageMapProvider(),
         null,
         serverPlugin,
-        new AnalysisServerOptions(),
+        new AnalysisServerOptions()..enableNewAnalysisDriver = true,
         new DartSdkManager('/', false),
         InstrumentationService.NULL_SERVICE);
     handler = new AnalysisDomainHandler(server);