* fix#4536
I've add transaction isolation support for SQLite
Warning! SQLite transactions are [serializable by design](https://
www.sqlite.org/isolation.html) but my implementation retuns false in
function hasTransactionIsolation and throw an exception in
setTransactionIsolation
* disable shared cache in TearDown()
* chore(doc): reword documentation
* we should waitresult of select before rollback (#4718)
---------
Co-authored-by: Alexander B <ale.bychuk@gmail.com>