public void RedactedFilterTest()
        {
            var exporter = new ConversationExporter();

            exporter.ExportConversation("chat.txt", "chat.json");

            var serializedConversation = new StreamReader(new FileStream("chat.json", FileMode.Open)).ReadToEnd();

            var savedConversation = JsonConvert.DeserializeObject<Conversation>(serializedConversation);

            var messages = savedConversation.messages.ToList();

            TextFilter filter = new TextFilter();
            string redacted = "*Redacted*";

            var actual1 = filter.RedactedWordFilter(messages, redacted);
            string actualString1 = actual1[2].content;

            var actual2 = filter.RedactedWordFilter(messages, redacted);
            string actualString2 = actual2[4].content;

            Assert.That(actualString1, Is.EqualTo("I'm good thanks, do you like *Redacted*?"));
            Assert.That(actualString2, Is.EqualTo("Hell yes! Are we buying some *Redacted*?"));
        }