Constant top-level variables should not have setters.

pkg/analyzer/test/generated/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 engine.resolver_test;
 
 import 'dart:collection';
 
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
@@ skipping 1679 matching lines @@
         AstFactory.identifier(target, AstFactory.identifier3(propName));
     // resolve
     _resolveNode(identifier);
     expect(identifier.staticElement, same(getter));
     expect(identifier.identifier.staticElement, same(getter));
     _listener.assertNoErrors();
   }
 
   void test_visitPrefixedIdentifier_staticClassMember_method() {
     ClassElementImpl classA = ElementFactory.classElement2("A");
-    // set accessors
+    // set methods
     String propName = "m";
-    PropertyAccessorElement setter =
-        ElementFactory.setterElement(propName, false, _typeProvider.intType);
-    classA.accessors = <PropertyAccessorElement>[setter];
-    // set methods
     MethodElement method =
         ElementFactory.methodElement("m", _typeProvider.intType);
     classA.methods = <MethodElement>[method];
     // prepare "A.m"
     SimpleIdentifier target = AstFactory.identifier3("A");
     target.staticElement = classA;
     target.staticType = classA.type;
     PrefixedIdentifier identifier =
         AstFactory.identifier(target, AstFactory.identifier3(propName));
     AstFactory.assignmentExpression(
@@ skipping 12075 matching lines @@
         // check propagated type
         FunctionType propagatedType = node.propagatedType as FunctionType;
         expect(propagatedType.returnType, test.typeProvider.stringType);
       } on AnalysisException catch (e, stackTrace) {
         thrownException[0] = new CaughtException(e, stackTrace);
       }
     }
     return null;
   }
 }