public void InitializeShouldThrowExceptionOnMissingScriptProperty() { grinderContextMock.Setup(c => c.GetProperty(worker.ScriptFileKey)).Returns((string)null); Assert.Throws(Is.TypeOf <ArgumentException>().And.Message.EqualTo("Missing property 'grinderscript-dotnet.csScriptWorker.script'"), () => worker.Initialize()); }