update all packages "Yarn"
- yarn upgrade --latest
https://www.youtube.com/watch?v=lKvV_0xZWCg&index=28&list=PLN3n1USn4xlky9uj6wOhfsPez7KZOqm2V
I don't know if that works:
TS_NODE_FILES=true NODE_ENV=test jest --watch --no-cache --runInBand
Client does not support authentication protocol requested by server; consider upgrading MySQL client'
Solution: ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'YourRootPassword';