* Hotfix for python tests caused by unexpected file deletion
* add more info when launch blockchain node failed
* add stdout if blockchain launch failed
* seek stdout and err to 0 if failed to launch blockchain
* Improve zg chain port to avoid port conflict in parallel execution
* fix float issue
* Fix py failures
* Change miner id logic & request miner id automatically
* Not enable all features in the test workflow.
* Auto configurable mining period
* Adjust test params for ci