Index: Core/Common/test/Core.Common.Gui.Test/Forms/ProgressDialog/ActivityProgressDialogTest.cs
===================================================================
diff -u -rd6a4f1640dda34fe8f75d0d05e848a68f64242b5 -r6ee6b537ca4662ee984ce1ee0b6ec7ae20396ca3
--- Core/Common/test/Core.Common.Gui.Test/Forms/ProgressDialog/ActivityProgressDialogTest.cs	(.../ActivityProgressDialogTest.cs)	(revision d6a4f1640dda34fe8f75d0d05e848a68f64242b5)
+++ Core/Common/test/Core.Common.Gui.Test/Forms/ProgressDialog/ActivityProgressDialogTest.cs	(.../ActivityProgressDialogTest.cs)	(revision 6ee6b537ca4662ee984ce1ee0b6ec7ae20396ca3)
@@ -23,6 +23,7 @@
 using System.Threading;
 using System.Windows.Forms;
 using Core.Common.Base.Service;
+using Core.Common.Controls.Dialogs;
 using Core.Common.Gui.Forms.ProgressDialog;
 using NUnit.Extensions.Forms;
 using NUnit.Framework;
@@ -52,6 +53,7 @@
             using (var dialog = new ActivityProgressDialog(window, Enumerable.Empty<Activity>()))
             {
                 // Assert
+                Assert.IsInstanceOf<DialogBase>(dialog);
                 Assert.IsNotNull(dialog.Icon);
                 Assert.IsTrue(dialog.ShowIcon);
                 Assert.AreEqual(0, dialog.MinimumSize.Width); // Set during load