cleanup to tools/testing/dart

tools/testing/dart/lib/utils.dart

Index: tools/testing/dart/lib/utils.dart
diff --git a/tools/testing/dart/utils.dart b/tools/testing/dart/lib/utils.dart
similarity index 95%
rename from tools/testing/dart/utils.dart
rename to tools/testing/dart/lib/utils.dart
index a1c4ecc5b55cc7b4083fa5d455bd2f39d18c938b..83e09f5c833222800cc4565227267562612e736a 100644
--- a/tools/testing/dart/utils.dart
+++ b/tools/testing/dart/lib/utils.dart
@@ -9,6 +9,17 @@ import 'dart:convert';
 
 import 'path.dart';
 
+final RegExp dartExtension = new RegExp(r'\.dart$');
+
+typedef void CreateTest(Path filePath,
+                        Path originTestPath,
+                        bool hasCompileError,
+                        bool hasRuntimeError,
+                        {bool isNegativeIfChecked,
+                         bool hasCompileErrorIfChecked,
+                         bool hasStaticWarning,
+                         String multitestKey});
+
 // This is the maximum time we expect stdout/stderr of subprocesses to deliver
 // data after we've got the exitCode.
 const Duration MAX_STDIO_DELAY = const Duration(seconds: 30);