* Is changed (#427)
* Refactor tests to use "is" and "is not" changed
* Refactor tests to use is succeeded or is failed
* Reformat indentation
* Add filter "bool" to prevent issues
(cherry picked from commit 0a68bb270f)
* Fix error message verification
I don't know why this works on main, but in stable-1, the error message
is "invalid privileges string: Invalid privileges specified:
frozenset({'INVALID'})"
* Add filter for test that won't work with mariadb
* Add test databases cleanup
* Backport small diff from main
58b850f217