Fixes.

node_modules/pn/test/timers.js

@@ -0,0 +1,34 @@
+// if running on older node, ensure that es6-shim is loaded first
+if (/^v0.10/.test(process.version)) { require('es6-shim'); }
+var assert= require('../assert');
+var timers = require('../timers');
+
+describe('timers module', function() {
+    it ('setImmediate()', function() {
+        return timers.setImmediate().then(function(result) {
+            assert.strictEqual(result, undefined, '');
+        });
+    });
+    it ('setImmediate(<arg>)', function() {
+        var obj = {};
+        return timers.setImmediate(obj).then(function(result) {
+            assert.strictEqual(result, obj, '');
+        });
+    });
+    it ('setTimeout()', function() {
+        return timers.setTimeout().then(function(result) {
+            assert.strictEqual(result, undefined, '');
+        });
+    });
+    it ('setTimeout(<num>)', function() {
+        return timers.setTimeout(15).then(function(result) {
+            assert.strictEqual(result, undefined, '');
+        });
+    });
+    it ('setTimeout(<num>, <arg>)', function() {
+        var obj = {};
+        return timers.setTimeout(25, obj).then(function(result) {
+            assert.strictEqual(result, obj, '');
+        });
+    });
+});