Fix cache corruption in incremental resolver

pkg/analyzer/test/enum_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 analyzer.test.enum_test;
 
 import 'dart:mirrors';
 
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/src/dart/element/element.dart';
@@ skipping 51 matching lines @@
       ..check_explicit_values();
   }
 
   void test_INIT_STATE() {
     new EnumTester<INIT_STATE>()
       ..check_getters()
       ..check_explicit_values();
   }
 
   void test_Modifier() {
-    new EnumTester<Modifier>()
+    new EnumTester<Modifier>(
+        ignoreGetters: ["persistedValues", "transientValues"])
       ..check_getters()
       ..check_explicit_values();
   }
 
   void test_ParameterKind() {
     new EnumTester<ParameterKind>()
       ..check_getters()
       ..check_explicit_values();
   }
 
@@ skipping 117 matching lines @@
 
     // Check that the set of ordinals runs from 0 to N-1, where N is the number
     // of enumerated values.
     Set<int> expectedOrdinals = new Set<int>();
     for (int i = 0; i < numValues; i++) {
       expectedOrdinals.add(i);
     }
     expect(ordinals.keys.toSet(), equals(expectedOrdinals));
   }
 }