2020
https://98elements.com/blog/improve-your-tests-with-junit-5/
2019
https://bmuschko.com/blog/junit5-vs-spock-showdown/
    https://github.com/bmuschko/junit5-vs-spock-feature-comparison
2018
https://blog.codecentric.de/en/2018/09/structured-junit-5-testing/

???
https://habrahabr.ru/post/337700/
https://www.ibm.com/developerworks/java/library/j-introducing-junit5-part1-jupiter-api/index.html
https://www.ibm.com/developerworks/library/j-introducing-junit5-part2-vintage-jupiter-extension-model/index.html
https://blog.codefx.org/libraries/junit-5-basics
https://blog.codefx.org/libraries/junit-5-basics/#Nesting-Tests