public async Task AddNewEvent()
        {
            var dataAccessMock = new Mock <IDataAccess>();

            dataAccessMock.Setup(da => da.ReadEventForDateFromDBAsync(It.IsAny <DateTime>()))
            .Returns(Task.FromResult <Event>(null));
            BsonArray insertedDocument = null;

            dataAccessMock.Setup(da => da.InsertIntoDBAsync(It.IsAny <DateTime>(), It.IsAny <BsonArray>()))
            .Callback <DateTime, BsonArray>((_, arr) => insertedDocument = arr);

            var planZoomMeetingMock = new Mock <IPlanZoomMeeting>();

            planZoomMeetingMock.Setup(z => z.CreateZoomMeetingAsync(
                                          It.IsAny <string>(), It.IsAny <string>(), It.IsAny <string>(), It.IsAny <string>(),
                                          It.IsAny <string>(), It.IsAny <string>()))
            .Returns(Task.FromResult(new Meeting {
                join_url = "Dummy"
            }));

            var discordBotMock = new Mock <IDiscordBotService>();

            //discordBotMock.Setup(d => d.BuildBotMessage(
            //    It.IsAny<Workshop>(), It.IsAny<Event>(), It.IsAny<Meeting>(), It.IsAny<DateTime>()))
            //    .Returns("Test");

            var func = new PlanEvent(dataAccessMock.Object, discordBotMock.Object, null, planZoomMeetingMock.Object, null, null);
            await func.WriteEventToDB(@"
            {
              ""Operation"": ""added"",
              ""FolderInfo"": {
                ""FullFolder"": ""2020-07-17/PLAN.yml"",
                ""DateFolder"": ""2020-07-17"",
                ""File"": ""PLAN.yml""
              },
              ""Workshops"": {
                ""workshops"": [
                  {
                    ""begintime"": ""13:45"",
                    ""endtime"": ""15:45"",
                    ""status"": ""Published"",
                    ""title"": ""Test"",
                    ""targetAudience"": ""TestAudience"",
                    ""description"": ""TestDescription *with* markup"",
                    ""prerequisites"": ""TestPrerequisites"",
                    ""mentors"": [ ""Foo"", ""Bar"" ],
                    ""zoomUser"": ""Test"",
                    ""zoom"": ""Test"",
                    ""shortCode"": ""Test""
                  }
                ]
              }
            }", Mock.Of <ILogger>());

            dataAccessMock.Verify(da => da.ReadEventForDateFromDBAsync(It.IsAny <DateTime>()), Times.Once);
            dataAccessMock.Verify(da => da.InsertIntoDBAsync(It.IsAny <DateTime>(), It.IsAny <BsonArray>()), Times.Once);

            Assert.Single(insertedDocument);
        }