diff -r 000000000000 -r 6474c204b198 browser/components/tabview/test/browser_tabview_bug595930.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/components/tabview/test/browser_tabview_bug595930.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,55 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+function test() {
+  waitForExplicitFinish();
+
+  window.addEventListener("tabviewshown", onTabViewWindowLoaded, false);
+  TabView.toggle();
+}
+
+function onTabViewWindowLoaded() {
+  window.removeEventListener("tabviewshown", onTabViewWindowLoaded, false);
+
+  ok(TabView.isVisible(), "Tab View is visible");
+
+  let [originalTab] = gBrowser.visibleTabs;
+  let contentWindow = document.getElementById("tab-view").contentWindow;
+
+  // create group which we'll close
+  let box1 = new contentWindow.Rect(310, 10, 300, 300);
+  let group1 = new contentWindow.GroupItem([], { bounds: box1 });
+  ok(group1.isEmpty(), "This group is empty");
+  contentWindow.UI.setActive(group1);
+  let tab1 = gBrowser.loadOneTab("about:blank#1", {inBackground: true});
+  let tab1Item = tab1._tabViewTabItem;
+  ok(group1.getChildren().some(function(child) child == tab1Item), "The tab was made in our new group");
+  is(group1.getChildren().length, 1, "Only one tab in the first group");
+
+  group1.addSubscriber("close", function onClose() {
+    group1.removeSubscriber("close", onClose);
+
+    let onTabViewHidden = function() {
+      window.removeEventListener("tabviewhidden", onTabViewHidden, false);
+      // assert that we're no longer in tab view
+      ok(!TabView.isVisible(), "Tab View is hidden");
+      finish();
+    };
+    window.addEventListener("tabviewhidden", onTabViewHidden, false);
+
+    // delay to give time for hidden group DOM element to be removed so
+    // the appropriate group would get selected when the key
+    // combination is pressed
+    executeSoon(function() { 
+      EventUtils.synthesizeKey("e", {accelKey : true, shiftKey: true}, contentWindow);
+    });
+  });
+
+  hideGroupItem(group1, function () {
+    // close undo group
+    let closeButton = group1.$undoContainer.find(".close");
+    EventUtils.sendMouseEvent(
+      { type: "click" }, closeButton[0], contentWindow);
+  });
+}
+