[inspector] added reconnect method for tests

test/inspector/debugger/wasm-stepping.js

Index: test/inspector/debugger/wasm-stepping.js
diff --git a/test/inspector/debugger/wasm-stepping.js b/test/inspector/debugger/wasm-stepping.js
index 8cf14d361c048b43180efe597934fe6fcd6a8f1c..5f132df3badcb8e2ac2818e6f07425776f383fbb 100644
--- a/test/inspector/debugger/wasm-stepping.js
+++ b/test/inspector/debugger/wasm-stepping.js
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-load('test/mjsunit/wasm/wasm-constants.js');
-load('test/mjsunit/wasm/wasm-module-builder.js');
+utils.load('test/mjsunit/wasm/wasm-constants.js');
+utils.load('test/mjsunit/wasm/wasm-module-builder.js');
 
 var builder = new WasmModuleBuilder();