Bug 606567 - log computed max-width in browser_bug585785.js

browser/base/content/test/browser_bug585785.js

@@ -2,6 +2,7 @@ function test() {
   waitForExplicitFinish();
   var tab = gBrowser.addTab();
   executeSoon(function () {
+    info(window.getComputedStyle(tab).maxWidth);
     gBrowser.removeTab(tab, {animate:true});
     ok(!tab.parentNode, "tab successfully removed");
     finish();