Check and fix failing integration tests

[kushti]

Integration tests are run with sbt it:test

Currently some integration tests may be failing.

Check and fix failing tests.

[pragmaxim]

I was already working on non-integration tests #1563

[ccellado]

Working on it

[ccellado]

@stenolog there is a ton of work already done (since 2021 actually) on my side

There could be subsequent issues after that, related to integration tests

[ccellado]

@stenolog it is too much people on one issue, which is being worked already by me and kushti
It's better allocate developer time on other unexplored issues