Move the class TypeTestProvider from the test directory into the lib directory so that other tools …

pkg/analyzer/test/generated/element_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.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.element_test;
 
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/engine.dart' show AnalysisContext,
     AnalysisContextImpl;
 import 'package:analyzer/src/generated/java_core.dart';
 import 'package:analyzer/src/generated/source_io.dart';
 import 'package:analyzer/src/generated/testing/ast_factory.dart';
 import 'package:analyzer/src/generated/testing/element_factory.dart';
+import 'package:analyzer/src/generated/testing/test_type_provider.dart';
 import 'package:unittest/unittest.dart';
 
 import '../reflective_tests.dart';
 import 'resolver_test.dart' show TestTypeProvider, AnalysisContextHelper;
 import 'test_support.dart';
 
 
 main() {
   groupSep = ' | ';
   runReflectiveTests(ElementKindTest);
@@ skipping 3924 matching lines @@
 
 class _FunctionTypeImplTest_isSubtypeOf_baseCase_classFunction extends
     InterfaceTypeImpl {
 
   _FunctionTypeImplTest_isSubtypeOf_baseCase_classFunction(ClassElement arg0)
       : super.con1(arg0);
 
   @override
   bool get isDartCoreFunction => true;
 }