Make the analysis server integration tests driver only.

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

 // Copyright (c) 2016, 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 'dart:io';
 
 import 'package:analysis_server/plugin/protocol/protocol.dart';
 import 'package:analyzer/src/generated/sdk.dart';
 import 'package:path/path.dart' as path;
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import '../../mock_sdk.dart';
 import '../integration_tests.dart';
 
 main() {
   defineReflectiveSuite(() {
     defineReflectiveTests(AnalysisDomainGetErrorsTest);
-    defineReflectiveTests(AnalysisDomainGetErrorsTest_Driver);
   });
 }
 
 /**
  * Tests that when an SDK path is specified on the command-line (via the `--sdk`
  * argument) that the specified SDK is used.
  */
-class AbstractAnalysisDomainGetErrorsTest
+@reflectiveTest
+class AnalysisDomainGetErrorsTest
     extends AbstractAnalysisServerIntegrationTest {
   String createNonStandardSdk() {
     MockSdkLibrary fakeLibrary =
         new MockSdkLibrary('dart:fake', '/lib/fake/fake.dart', '');
     String sdkPath = path.join(sourceDirectory.path, 'sdk');
     StringBuffer librariesContent = new StringBuffer();
     librariesContent.writeln(
         'final Map<String, LibraryInfo> LIBRARIES = const <String, LibraryInfo> {');
     MockSdk.LIBRARIES.toList()
       ..add(fakeLibrary)
@@ skipping 47 matching lines @@
 import 'dart:fake';
 ''';
     writeFile(pathname, text);
     standardAnalysisSetup();
     await analysisFinished;
     List<AnalysisError> errors = currentAnalysisErrors[pathname];
     expect(errors, hasLength(1));
     expect(errors[0].code, 'unused_import');
   }
 }
-
-@reflectiveTest
-class AnalysisDomainGetErrorsTest extends AbstractAnalysisDomainGetErrorsTest {}
-
-@reflectiveTest
-class AnalysisDomainGetErrorsTest_Driver
-    extends AbstractAnalysisDomainGetErrorsTest {
-  @override
-  bool get enableNewAnalysisDriver => true;
-}