Issue 26096. Explicitly compute the result that ensures that directives are resolved in units.

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 analyzer.test.generated.incremental_resolver_test;
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/src/context/cache.dart';
@@ skipping 4887 matching lines @@
     _assertCacheUnitResult(RESOLVED_UNIT1);
     _assertCacheUnitResult(RESOLVED_UNIT2);
     _assertCacheUnitResult(RESOLVED_UNIT3);
     _assertCacheUnitResult(RESOLVED_UNIT4);
     _assertCacheUnitResult(RESOLVED_UNIT5);
     _assertCacheUnitResult(RESOLVED_UNIT6);
     _assertCacheUnitResult(RESOLVED_UNIT7);
     _assertCacheUnitResult(RESOLVED_UNIT8);
     _assertCacheUnitResult(RESOLVED_UNIT9);
     _assertCacheUnitResult(RESOLVED_UNIT10);
+    _assertCacheUnitResult(RESOLVED_UNIT11);
     if (expectCachePostConstantsValid) {
-      _assertCacheUnitResult(RESOLVED_UNIT11);
+      _assertCacheUnitResult(RESOLVED_UNIT12);
       _assertCacheUnitResult(RESOLVED_UNIT);
     }
   }
 
   /**
    * Assert that the [result] of [source] is not INVALID.
    */
   void _assertCacheSourceResult(ResultDescriptor result) {
     AnalysisCache cache = analysisContext2.analysisCache;
     CacheState state = cache.getState(source, result);
@@ skipping 389 matching lines @@
   void logException(Object exception, [Object stackTrace]) {
     lastException = exception;
     lastStackTrace = stackTrace;
   }
 
   @override
   logging.LoggingTimer startTimer() {
     return new logging.LoggingTimer(this);
   }
 }