diff -r 000000000000 -r 6474c204b198 browser/components/tabview/test/browser_tabview_bug608153.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/components/tabview/test/browser_tabview_bug608153.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,41 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+function test() {
+  waitForExplicitFinish();
+
+  let pinnedTab = gBrowser.addTab();
+  gBrowser.pinTab(pinnedTab);
+
+  registerCleanupFunction(function() {
+    gBrowser.unpinTab(pinnedTab);
+
+    // Don't remove the initial tab.
+    gBrowser.moveTabTo(gBrowser.tabs[1], 0);
+
+    while (gBrowser.tabs[1])
+      gBrowser.removeTab(gBrowser.tabs[1]);
+    hideTabView();
+  });
+
+  showTabView(function() {
+    let cw = TabView.getContentWindow();
+    let groupItemOne = cw.GroupItems.groupItems[0];
+    let groupItemTwo = createGroupItemWithBlankTabs(window, 250, 250, 40, 1);
+
+    is(cw.GroupItems.groupItems.length, 2, "Two group items");
+
+    hideTabView(function() {
+      gBrowser.selectedTab = pinnedTab;
+      is(cw.GroupItems.getActiveGroupItem(), groupItemTwo, "Group two is active");
+      is(gBrowser.selectedTab, pinnedTab, "Selected tab is the pinned tab");
+
+      goToNextGroup();
+      is(cw.GroupItems.getActiveGroupItem(), groupItemOne, "Group one is active");
+      is(gBrowser.selectedTab, pinnedTab, "Selected tab is the pinned tab");
+
+      finish();
+    });
+  });
+}
+