Add most equivalence tests to js_model/model_test

tests/compiler/dart2js/equivalence/check_functions.dart

 // Copyright (c) 2017, 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.
 
 /// Equivalence test functions for data objects.
 
 library dart2js.equivalence.functions;
 
 import 'package:expect/expect.dart';
 import 'package:compiler/src/common/resolution.dart';
@@ skipping 120 matching lines @@
       equality);
 }
 
 void checkInterceptorData(InterceptorDataImpl data1, InterceptorDataImpl data2,
     bool elementEquivalence(Entity a, Entity b),
     {bool verbose: false}) {
   checkMapEquivalence(
       data1,
       data2,
       'interceptedElements',
-      data1.interceptedElementsForTesting,
-      data2.interceptedElementsForTesting,
+      data1.interceptedMembers,
+      data2.interceptedMembers,
       equality,
       (a, b) => areSetsEquivalent(a, b, elementEquivalence));
 
   checkSetEquivalence(data1, data2, 'interceptedClasses',
       data1.interceptedClasses, data2.interceptedClasses, elementEquivalence);
 
   checkSetEquivalence(
       data1,
       data2,
       'classesMixedIntoInterceptedClasses',
-      data1.classesMixedIntoInterceptedClassesForTesting,
-      data2.classesMixedIntoInterceptedClassesForTesting,
+      data1.classesMixedIntoInterceptedClasses,
+      data2.classesMixedIntoInterceptedClasses,
       elementEquivalence);
 }
 
 void checkClassHierarchyNodes(
     ClosedWorld closedWorld1,
     ClosedWorld closedWorld2,
     ClassHierarchyNode node1,
     ClassHierarchyNode node2,
     bool elementEquivalence(Entity a, Entity b),
     {bool verbose: false,
@@ skipping 1243 matching lines @@
     return testNodes(node.expression, other.expression);
   }
 
   @override
   bool visitBlock(js.Block node) {
     if (peek() is! js.Block) return failAt(node, peek());
     js.Block other = peek();
     return testNodeLists(node.statements, other.statements);
   }
 }