olemus
testimine lõppkasutuse tingimustes
=
testing an item in the actual context in which it will be used, as opposed to laboratory testing

ülevaateid
https://www.centercode.com/blog/2017/11/beta-vs-field-testing

https://www.kualitatem.com/blog/field-testing

https://www.securityinfowatch.com/home/article/10541612/operational-testing-of-technology

http://wpage.unina.it/roberto.pietrantuono/papers/CSUR2021.pdf