private void DefaultEmptyKeyMessagesCollectionAddedToCollection()
        {
            var message1 = "message1";
            var message2 = "messages2";
            var messages = new string[] { message1, message2 };

            var ex = new ExceptionTester();

            ex.AddMessages(Defaults.ErrorMessage.Key, messages);

            Assert.Equal(1, ex.Messages.Count);
            Assert.Contains(message1, ex.Messages.First().Value);
            Assert.Contains(message2, ex.Messages.First().Value);
        }