Note: As of 3.0.0-beta1 JsonTimeSpanConverter has been removed. System.Text.Json has native support for TimeSpan as of .NET6. (https://github.com/Macross-Software/core/blob/develop/ClassLibraries/Macross.Json.Extensions/README.md#timespans)

Do we have test to check, if our Date Time conversion still runs as expected?