Artem Bilan 42fa248753 Downgrade to Gradle 6.8.2 ...

The CI plan has started to fails sporadically.
Currently with Gradle `6.8.3` we observer something like this:
in the Standard Output the stack trace is from another thread in another test (that timed out while this test was running).
It seems like Gradle is failing the test if it sees a stack trace in the log

* Trying with the previous Gradle version

2021-03-12 15:19:05 -05:00

..

gradle-wrapper.jar

Upgrade dependencies(and Gradle); prepare release

2020-10-14 13:52:42 -04:00

gradle-wrapper.properties

Downgrade to Gradle 6.8.2

2021-03-12 15:19:05 -05:00