--- a/devtools/client/framework/test/browser_toolbox_remoteness_change.js
+++ b/devtools/client/framework/test/browser_toolbox_remoteness_change.js
@@ -1,21 +1,22 @@
 /* Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/publicdomain/zero/1.0/ */
 
 var {Toolbox} = require("devtools/client/framework/toolbox");
 
-const URL_1 = "about:newtab";
+const URL_1 = "about:robots";
 const URL_2 = "data:text/html;charset=UTF-8," +
   encodeURIComponent("<div id=\"remote-page\">foo</div>");
 
 add_task(function* () {
   info("Open a tab on a URL supporting only running in parent process");
   let tab = yield addTab(URL_1);
-  is(tab.linkedBrowser.getAttribute("remote"), "", "Opened a non-remote tab on about:newtab");
+  is(tab.linkedBrowser.currentURI.spec, URL_1, "We really are on the expected document");
+  is(tab.linkedBrowser.getAttribute("remote"), "", "And running in parent process");
 
   let toolbox = yield openToolboxForTab(tab);
 
   let onToolboxDestroyed = toolbox.once("destroyed");
   let onToolboxCreated = gDevTools.once("toolbox-created");
 
   info("Navigate to a URL supporting remote process");
   let onLoaded = BrowserTestUtils.browserLoaded(tab.linkedBrowser);