tests for pretty printed html

www/assert/pretty/index.html

@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <meta content="text/html; charset=utf-8" http-equiv="content-type"/>
+    <script data-main="main" src="/bower_components/requirejs/require.js"></script>
+    <style>
+html{
+    width: 100%;
+}
+body {
+    width: 90%;
+    margin: auto;
+}
+.wrap {
+    white-space: normal;
+}
+    </style>
+</head>
+<body>