--- a/dom/base/nsFocusManager.cpp
+++ b/dom/base/nsFocusManager.cpp
@@ -737,19 +737,17 @@ nsFocusManager::WindowRaised(mozIDOMWind
   docShellAsItem->GetTreeOwner(getter_AddRefs(treeOwner));
   nsCOMPtr<nsIBaseWindow> baseWindow = do_QueryInterface(treeOwner);
   if (baseWindow) {
     bool isEnabled = true;
     if (NS_SUCCEEDED(baseWindow->GetEnabled(&isEnabled)) && !isEnabled) {
       return NS_ERROR_FAILURE;
     }
 
-    if (!sTestMode) {
-      baseWindow->SetVisibility(true);
-    }
+    baseWindow->SetVisibility(true);
   }
 
   // If this is a parent or single process window, send the activate event.
   // Events for child process windows will be sent when ParentActivated
   // is called.
   if (XRE_IsParentProcess()) {
     ActivateOrDeactivate(window, true);
   }