Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/nunit24/ClientUtilities/util/TestObserver.cs

@@ -0,0 +1,20 @@
+// ****************************************************************
+// Copyright 2007, Charlie Poole
+// This is free software licensed under the NUnit license. You may
+// obtain a copy of the license at http://nunit.org/?p=license&r=2.4
+// ****************************************************************
+
+using System;
+
+namespace NUnit.Util
+{
+	/// <summary>
+	/// The TestObserver interface is implemented by a class that
+	/// subscribes to the events generated in loading and running
+	/// tests and uses that information in some way.
+	/// </summary>
+	public interface TestObserver
+	{
+		void Subscribe( ITestEvents events );
+	}
+}