Get all integration tests running with the new driver

pkg/analysis_server/test/integration/analysis/package_root_test.dart

Index: pkg/analysis_server/test/integration/analysis/package_root_test.dart
diff --git a/pkg/analysis_server/test/integration/analysis/package_root_test.dart b/pkg/analysis_server/test/integration/analysis/package_root_test.dart
index 5ad9c38e70d4bd074e350558662d7ef2a9dcdd67..142d50be795dca627f4414318055773fd6a528bc 100644
--- a/pkg/analysis_server/test/integration/analysis/package_root_test.dart
+++ b/pkg/analysis_server/test/integration/analysis/package_root_test.dart
@@ -2,8 +2,6 @@
 // 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.
 
-library test.integration.analysis.packageRoot;
-
 import 'package:analysis_server/plugin/protocol/protocol.dart';
 import 'package:path/path.dart' as path;
 import 'package:test/test.dart';
@@ -13,12 +11,13 @@ import '../integration_tests.dart';
 
 main() {
   defineReflectiveSuite(() {
-    defineReflectiveTests(Test);
+    defineReflectiveTests(SetAnalysisRootsTest);
+    defineReflectiveTests(SetAnalysisRootsTest_Driver);
   });
 }
 
-@reflectiveTest
-class Test extends AbstractAnalysisServerIntegrationTest {
+class AbstractSetAnalysisRootsTest
+    extends AbstractAnalysisServerIntegrationTest {
   test_package_root() {
     String projPath = sourcePath('project');
     String mainPath = path.join(projPath, 'main.dart');
@@ -77,3 +76,18 @@ f() {}
     });
   }
 }
+
+@reflectiveTest
+class SetAnalysisRootsTest extends AbstractSetAnalysisRootsTest {}
+
+@reflectiveTest
+class SetAnalysisRootsTest_Driver extends AbstractSetAnalysisRootsTest {
+  @override
+  bool get enableNewAnalysisDriver => true;
+
+  @failingTest
+  test_package_root() {
+    //  NoSuchMethodError: The getter 'iterator' was called on null.
+    return super.test_package_root();
+  }
+}