Invalidate both hints and lints on incremental resolution.

pkg/analyzer/test/generated/incremental_resolver_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.
 
 library engine.incremental_resolver_test;
 
 import 'package:analyzer/src/context/cache.dart' as task;
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/engine.dart';
@@ skipping 2468 matching lines @@
       analysisContext2 = AnalysisContextFactory.contextWithCore();
     } else {
       analysisContext2 = AnalysisContextFactory.oldContextWithCore();
     }
   }
 
   @override
   void resetWithOptions(AnalysisOptions options) {
     if (AnalysisEngine.instance.useTaskModel) {
       analysisContext2 =
-                AnalysisContextFactory.contextWithCoreAndOptions(options);
+          AnalysisContextFactory.contextWithCoreAndOptions(options);
     } else {
       analysisContext2 =
           AnalysisContextFactory.oldContextWithCoreAndOptions(options);
     }
   }
 
   void setUp() {
     super.setUp();
     test_resolveApiChanges = true;
     log.logger = log.NULL_LOGGER;
@@ skipping 1204 matching lines @@
   _foo() {
     print(12);
   }
 }
 ''');
     // no hints
     List<AnalysisError> errors = analysisContext.getErrors(source).errors;
     expect(errors, isEmpty);
   }
 
-  void test_updateErrors_addNew_hint() {
+  void test_updateErrors_addNew_hint1() {
     _resolveUnit(r'''
 int main() {
   return 42;
 }
 ''');
     _updateAndValidate(r'''
 int main() {
 }
 ''');
   }
 
-  void test_updateErrors_addNew_hints() {
+  void test_updateErrors_addNew_hint2() {
     _resolveUnit(r'''
 main() {
   int v = 0;
   print(v);
 }
 ''');
     _updateAndValidate(r'''
 main() {
   int v = 0;
 }
@@ skipping 439 matching lines @@
     return ResolutionContextBuilder.contextFor(node, listener).scope;
   }
 }
 
 class _Edit {
   final int offset;
   final int length;
   final String replacement;
   _Edit(this.offset, this.length, this.replacement);
 }