Serialize constant initializers.

pkg/analyzer/lib/src/generated/testing/element_factory.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.src.generated.testing.element_factory;
 
 import 'dart:collection';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/element.dart';
@@ skipping 541 matching lines @@
 
   static TopLevelVariableElementImpl topLevelVariableElement2(String name) =>
       topLevelVariableElement3(name, false, false, null);
 
   static TopLevelVariableElementImpl topLevelVariableElement3(
       String name, bool isConst, bool isFinal, DartType type) {
     TopLevelVariableElementImpl variable;
     if (isConst) {
       ConstTopLevelVariableElementImpl constant =
           new ConstTopLevelVariableElementImpl(AstFactory.identifier3(name));
-      constant.constantInitializer = AstFactory.instanceCreationExpression2(
+      InstanceCreationExpression initializer = AstFactory.instanceCreationExpression2(
           Keyword.CONST, AstFactory.typeName(type.element));
+      if (type is InterfaceType) {
+        initializer.staticElement = type.element.unnamedConstructor;
+      }
+      constant.constantInitializer = initializer;
       variable = constant;
     } else {
       variable = new TopLevelVariableElementImpl(name, -1);
     }
     variable.const3 = isConst;
     variable.final2 = isFinal;
     variable.synthetic = false;
     variable.type = type;
     PropertyAccessorElementImpl getter =
         new PropertyAccessorElementImpl.forVariable(variable);
@@ skipping 41 matching lines @@
   }
 
   static TypeParameterElementImpl typeParameterWithType(String name,
       [DartType bound]) {
     TypeParameterElementImpl typeParameter = typeParameterElement(name);
     typeParameter.type = new TypeParameterTypeImpl(typeParameter);
     typeParameter.bound = bound;
     return typeParameter;
   }
 }