public void GetMeMessagesTest() { // TODO: add unit test for the method 'GetMeMessages' int?pageSize = null; // TODO: replace null with proper value int?pageNumber = null; // TODO: replace null with proper value var response = instance.GetMeMessages(pageSize, pageNumber); Assert.IsInstanceOf <VoicemailMessageEntityListing> (response, "response is VoicemailMessageEntityListing"); }