harness test: timer.js

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>

test/harness/timer.js

+// Copyright (c) 2017 Rick Waldron.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: >
+    Including timer.js will expose:
+
+        setTimeout()
+
+includes: [timer.js,fnGlobalObject.js]
+---*/
+
+var gO = fnGlobalObject();
+
+assert(typeof setTimeout === "function");
+assert(typeof gO.setTimeout === "function");
+assert.sameValue(gO.setTimeout, setTimeout);
+
+// TODO: assert semantics