Multiple unit tests improvements (#5439)
* Multiple unit tests improvements
* Fixed Storm integration tests
* Fixed StringSchema static initialization
* Peg number of forks to number of cores
* Updated to 4 forks
* Fixed resourcel leak in managed ledger tests
* Use different temp folders for PulsarFunctionState test
* Increase retries count for PulsarFunctionE2ESecurityTest
* Fixed Flume connector test
* Fixed race conditions in primitive schema types static initialization
* Improve port manager
* Removed PulsarFunctionStateTest to move to integration tests
* Fixed dangling class reference
2 files changed
