Telegram Test Environment - OTR/Kotlin-Telegram-Client GitHub Wiki

https://core.telegram.org/api/auth#test-accounts

https://habr.com/ru/companies/beeline_cloud/articles/734164/

https://docs.pyrogram.org/topics/test-servers

Error codes: https://github.com/LonamiWebs/Telethon/blob/v1/telethon_generator/data/errors.csv

https://prog.world/telegram-test-servers/ ???

https://shallowdepth.online/posts/2021/12/end-to-end-tests-for-telegram-bots/

https://tdlight-team.github.io/tdlight-docs/tdlight.api/it/tdlight/jni/TdApi.TestNetwork.htmlb

Set useTestDc parameter of Client constructor https://github.com/OTR/Kotlin-Telegram-Client/wiki/Td-Api-Set-Tdlib-Parameters#constructor-properties