Move "_debugger" types into "node"

node/node-tests.ts

@@ -1,4 +1,3 @@
-/// <reference path="index.d.ts" />
 import * as assert from "assert";
 import * as fs from "fs";
 import * as events from "events";
@@ -2068,3 +2067,16 @@ namespace constants_tests {
     str = constants.defaultCoreCipherList
     str = constants.defaultCipherList
 }
+
+///////////////////////////////////////////////////////////
+/// Debugger Tests                                      ///
+///////////////////////////////////////////////////////////
+
+import { Client } from  "_debugger";
+
+var client = new Client();
+
+client.connect(8888, 'localhost');
+client.listbreakpoints((err, body, packet) => {
+
+});