If you are handling Room migration in your project you probably got some diff errors every now and then. It may be difficult to spot difference between Expected and Found, this is way some nice folks prepared scripts to find it much more easily. You can find one of my favourite tool under this link: https://hrankit.github.io/RoomSQLiteDifferenceFinder/
If you want to ream more about this problem check this StackOverflow question: https://stackoverflow.com/q/46372036/7586488