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diff --git a/devtools/server/tests/chrome/test_inspector-changevalue.html b/devtools/server/tests/chrome/test_inspector-changevalue.html
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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=
+-->
+<head>
+ <meta charset="utf-8">
+ <title>Test for Bug </title>
+
+ <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
+ <script type="application/javascript" src="inspector-helpers.js"></script>
+ <script type="application/javascript">
+"use strict";
+
+window.onload = function() {
+ SimpleTest.waitForExplicitFinish();
+ runNextTest();
+};
+
+let gInspectee = null;
+let gWalker = null;
+
+addTest(async function setup() {
+ const url = document.getElementById("inspectorContent").href;
+ const { target, doc } = await attachURL(url);
+ gInspectee = doc;
+ const inspector = await target.getFront("inspector");
+ gWalker = inspector.walker;
+ runNextTest();
+});
+
+addTest(function testChangeValue() {
+ const contentNode = gInspectee.querySelector("#a").firstChild;
+ let nodeFront;
+ promiseDone(gWalker.querySelector(gWalker.rootNode, "#a").then(front => {
+ // Get the text child
+ return gWalker.children(front, { maxNodes: 1 });
+ }).then(children => {
+ nodeFront = children.nodes[0];
+ is(nodeFront.nodeType, Node.TEXT_NODE);
+ return nodeFront.setNodeValue("newvalue");
+ }).then(() => {
+ // We're only going to test that the change hit the document.
+ // There are other tests that make sure changes are propagated
+ // to the client.
+ is(contentNode.nodeValue, "newvalue", "Node should have a new value.");
+ }).then(runNextTest));
+});
+
+addTest(function cleanup() {
+ gWalker = null;
+ gInspectee = null;
+ runNextTest();
+});
+ </script>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=">Mozilla Bug </a>
+<a id="inspectorContent" target="_blank" href="inspector-traversal-data.html">Test Document</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+
+</div>
+<pre id="test">
+</pre>
+</body>
+</html>