Split resolver_test.dart into smaller files.

pkg/analyzer/test/src/dart/element/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.
 
 library analyzer.test.src.dart.element.element_test;
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/dart/element/type.dart';
 import 'package:analyzer/src/dart/element/element.dart';
 import 'package:analyzer/src/dart/element/type.dart';
 import 'package:analyzer/src/generated/engine.dart'
     show AnalysisContext, AnalysisOptionsImpl;
 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 '../../../generated/resolver_test.dart'
-    show TestTypeProvider, AnalysisContextHelper;
+import '../../../generated/analysis_context_factory.dart'
+    show AnalysisContextHelper;
 import '../../../generated/test_support.dart';
 import '../../../reflective_tests.dart';
 import '../../../utils.dart';
 
 main() {
   initializeTestEnvironment();
   runReflectiveTests(FieldElementImplTest);
   runReflectiveTests(FunctionTypeImplTest);
   runReflectiveTests(InterfaceTypeImplTest);
   runReflectiveTests(TypeParameterTypeImplTest);
@@ skipping 4016 matching lines @@
 }
 
 class _FunctionTypeImplTest_isSubtypeOf_baseCase_classFunction
     extends InterfaceTypeImpl {
   _FunctionTypeImplTest_isSubtypeOf_baseCase_classFunction(ClassElement arg0)
       : super(arg0);
 
   @override
   bool get isDartCoreFunction => true;
 }