Convert more tests to the new driver

pkg/analysis_server/test/analysis/reanalyze_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.
 
+import 'dart:async';
+
 import 'package:analysis_server/protocol/protocol.dart';
 import 'package:analysis_server/protocol/protocol_generated.dart';
 import 'package:analysis_server/src/constants.dart';
-import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer_plugin/protocol/protocol_common.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import '../analysis_abstract.dart';
 
 main() {
   defineReflectiveSuite(() {
     defineReflectiveTests(ReanalyzeTest);
   });
 }
 
 @reflectiveTest
 class ReanalyzeTest extends AbstractAnalysisTest {
   Map<String, List<AnalysisError>> filesErrors = {};
 
-  @override
-  bool get enableNewAnalysisDriver => false;
+  Completer _resultsAvailable = new Completer();
 
   @override
   void processNotification(Notification notification) {
     if (notification.event == ANALYSIS_ERRORS) {
       var decoded = new AnalysisErrorsParams.fromNotification(notification);
       filesErrors[decoded.file] = decoded.errors;
+      _resultsAvailable.complete(null);
     }
   }
 
   test_reanalyze() {
     createProject();
-    List<AnalysisContext> contexts = server.analysisContexts.toList();
-    expect(contexts, hasLength(1));
-    AnalysisContext oldContext = contexts[0];
-    // Reanalyze should cause a brand new context to be built.
+    Map drivers = server.driverMap;
+    expect(drivers, hasLength(1));
     Request request = new Request("0", ANALYSIS_REANALYZE);
     handleSuccessfulRequest(request);
-    contexts = server.analysisContexts.toList();
-    expect(contexts, hasLength(1));
-    AnalysisContext newContext = contexts[0];
-    expect(newContext, isNot(same(oldContext)));
+    drivers = server.driverMap;
+    expect(drivers, hasLength(1));
   }
 
   test_reanalyze_with_overlay() async {
     createProject();
     resourceProvider.newFolder(testFolder);
     resourceProvider.newFile(testFile, 'main() {}');
-    await waitForTasksFinished();
     // Update the content with an overlay that contains a syntax error.
     server.updateContent('1', {testFile: new AddContentOverlay('main() {')});
-    await waitForTasksFinished();
+    await _resultsAvailable.future;
     // Verify that the syntax error was detected.
     {
       List<AnalysisError> errors = filesErrors[testFile];
       expect(errors, hasLength(1));
     }
     // Remove testFile from filesErrors so that we'll notice when the file is
     // re-analyzed.
     filesErrors.remove(testFile);
     // Reanalyze.
+    _resultsAvailable = new Completer();
     server.reanalyze(null);
-    await waitForTasksFinished();
+    await _resultsAvailable.future;
     // The file should have been reanalyzed.
     expect(filesErrors, contains(testFile));
     // Verify that the syntax error is present (this indicates that the
     // content introduced by the call to updateContent is still in effect).
     {
       List<AnalysisError> errors = filesErrors[testFile];
       expect(errors, hasLength(1));
     }
   }
 
   test_sentToPlugins() async {
     createProject();
-    await waitForTasksFinished();
     Request request = new Request("0", ANALYSIS_REANALYZE);
     handleSuccessfulRequest(request);
     // verify
     expect(pluginManager.broadcastedRequest, isNotNull);
   }
 }