Driver test fixes.

pkg/analyzer_cli/test/driver_test.dart

 // Copyright (c) 2015, 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.
 
 library analyzer_cli.test.driver;
 
 import 'dart:io';
 
 import 'package:analyzer/plugin/options.dart';
 import 'package:analyzer/source/analysis_options_provider.dart';
@@ skipping 279 matching lines @@
             'test/data/options_tests_project/test_file.dart',
             '--options',
             'test/data/options_tests_project/.analysis_options'
           ]);
         });
         tearDown(() {
           outSink = savedOutSink;
         });
 
         test('filters', () {
-          var filters =
-              driver.context.getConfigurationData(CONFIGURED_ERROR_FILTERS);
-          expect(filters, hasLength(1));
+          var processors =
+              driver.context.getConfigurationData(CONFIGURED_ERROR_PROCESSORS);
+          expect(processors, hasLength(1));
 
-          var unused_error = new AnalysisError(
+          var unused_local_variable = new AnalysisError(
               new TestSource(), 0, 1, HintCode.UNUSED_LOCAL_VARIABLE, [
             ['x']
           ]);
-          expect(filters.any((filter) => filter(unused_error)), isTrue);
+
+          var unusedLocalVariable =
+              processors.firstWhere((p) => p.appliesTo(unused_local_variable));
+          expect(unusedLocalVariable.severity, isNull);
         });
 
         test('language config', () {
           expect(driver.context.analysisOptions.enableSuperMixins, isTrue);
         });
       });
     });
 
     group('in temp directory', () {
       StringSink savedOutSink, savedErrorSink;
@@ skipping 158 matching lines @@
     this.options = options;
   }
 }
 
 class TestSource implements Source {
   TestSource();
 
   @override
   noSuchMethod(Invocation invocation) => super.noSuchMethod(invocation);
 }