Get AnalysisCache from InternalAnalysisContext.

pkg/analyzer/test/src/context/cache_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 test.src.task.driver_test;
 
 import 'package:analyzer/src/context/cache.dart';
 import 'package:analyzer/src/generated/engine.dart'
     show
         AnalysisContext,
@@ skipping 88 matching lines @@
 
 @reflectiveTest
 class CacheEntryTest extends EngineTestCase {
   InternalAnalysisContext context;
   AnalysisCache cache;
 
   void setUp() {
     context = new _InternalAnalysisContextMock();
     when(context.priorityTargets).thenReturn([]);
     cache = createCache(context: context);
-//    when(context.analysisCache).thenReturn(cache);
+    when(context.analysisCache).thenReturn(cache);
   }
 
   test_explicitlyAdded() {
     CacheEntry entry = new CacheEntry();
     expect(entry.explicitlyAdded, false);
     entry.explicitlyAdded = true;
     expect(entry.explicitlyAdded, true);
   }
 
   test_fixExceptionState_error_exception() {
@@ skipping 625 matching lines @@
     UniversalCachePartition partition = new UniversalCachePartition(null);
     TestSource source = new TestSource();
     expect(partition.contains(source), isTrue);
   }
 }
 
 class _InternalAnalysisContextMock extends TypedMock
     implements InternalAnalysisContext {
   noSuchMethod(Invocation invocation) => super.noSuchMethod(invocation);
 }