Fix for false positive in field (not-)overriding.

pkg/analyzer/test/generated/non_hint_code_test.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.
 
 library analyzer.test.generated.non_hint_code_test;
 
 import 'package:analyzer/src/generated/error.dart';
 import 'package:analyzer/src/generated/source_io.dart';
 
 import '../reflective_tests.dart';
@@ skipping 468 matching lines @@
     Source source = addSource(r'''
 class A {
   bool operator ==(x) { return x; }
   get hashCode => 0;
 }''');
     computeLibrarySourceErrors(source);
     assertNoErrors(source);
     verify([source]);
   }
 
-  void test_overrideOnNonOverridingGetter_field_inInterface() {
+  void test_overrideOnNonOverridingField_inInterface() {
     Source source = addSource(r'''
 library dart.core;
 const override = null;
 class A {
-  int get m => 0;
+  int get a => 0;
+  void set b(_) {}
+  int c;
 }
 class B implements A {
   @override
-  final int m = 1;
+  final int a = 1;
+  @override
+  int b;
+  @override
+  int c;
 }''');
     computeLibrarySourceErrors(source);
     assertNoErrors(source);
     verify([source]);
   }
 
-  void test_overrideOnNonOverridingGetter_field_inSuperclass() {
+  void test_overrideOnNonOverridingField_inSuperclass() {
     Source source = addSource(r'''
 library dart.core;
 const override = null;
 class A {
-  int get m => 0;
+  int get a => 0;
+  void set b(_) {}
+  int c;
 }
 class B extends A {
   @override
-  final int m = 1;
+  final int a = 1;
+  @override
+  int b;
+  @override
+  int c;
 }''');
     computeLibrarySourceErrors(source);
     assertNoErrors(source);
     verify([source]);
   }
 
   void test_overrideOnNonOverridingGetter_inInterface() {
     Source source = addSource(r'''
 library dart.core;
 const override = null;
@@ skipping 785 matching lines @@
 
   void test_import_valid_outside_lib() {
     cacheSource("/myproj/pubspec.yaml", "");
     cacheSource("/myproj/web/other.dart", "");
     Source source =
         addNamedSource("/myproj/lib2/test.dart", "import '../web/other.dart';");
     computeLibrarySourceErrors(source);
     assertNoErrors(source);
   }
 }