Refactor unittests

tests/compiler/dart2js/serialization/equivalence_test.dart

Index: tests/compiler/dart2js/serialization/equivalence_test.dart
diff --git a/tests/compiler/dart2js/serialization_test.dart b/tests/compiler/dart2js/serialization/equivalence_test.dart
similarity index 99%
rename from tests/compiler/dart2js/serialization_test.dart
rename to tests/compiler/dart2js/serialization/equivalence_test.dart
index 98bc955dc55955bdd8255b83d3241556b65d1cd3..32a538af0f4532270bb5af6704554991cdfc2cd6 100644
--- a/tests/compiler/dart2js/serialization_test.dart
+++ b/tests/compiler/dart2js/serialization/equivalence_test.dart
@@ -5,7 +5,7 @@
 library dart2js.serialization_test;
 
 import 'dart:io';
-import 'memory_compiler.dart';
+import '../memory_compiler.dart';
 import 'package:async_helper/async_helper.dart';
 import 'package:compiler/src/commandline_options.dart';
 import 'package:compiler/src/common.dart';
@@ -21,7 +21,7 @@ import 'package:compiler/src/serialization/element_serialization.dart';
 import 'package:compiler/src/serialization/equivalence.dart';
 import 'package:compiler/src/serialization/json_serializer.dart';
 import 'package:compiler/src/serialization/serialization.dart';
-import 'serialization_test_helper.dart';
+import 'test_helper.dart';
 
 main(List<String> arguments) {
   // Ensure that we can print out constant expressions.