diff -r 000000000000 -r 6474c204b198 webapprt/test/chrome/browser_sample.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webapprt/test/chrome/browser_sample.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,20 @@
+// This is a sample WebappRT chrome test.  It's just a browser-chrome mochitest.
+
+Cu.import("resource://webapprt/modules/WebappRT.jsm");
+
+function test() {
+  waitForExplicitFinish();
+  ok(true, "true is true!");
+  loadWebapp("sample.webapp", undefined, function onLoad() {
+    is(document.documentElement.getAttribute("title"),
+       WebappRT.config.app.manifest.name,
+       "Window title should be webapp name");
+    let msg = gAppBrowser.contentDocument.getElementById("msg");
+    var observer = new MutationObserver(function (mutations) {
+      ok(/^Webapp getSelf OK:/.test(msg.textContent),
+         "The webapp should have successfully installed and updated its msg");
+      finish();
+    });
+    observer.observe(msg, { childList: true });
+  });
+}