* add unit test

* update testing logic, leverage json rpc server, test counts and counts-reset

* added test cases for api/health and api/subscribe

* Add new integration tests

* increse test timeout, organize test files

* use global config port

* added new integration test cases for eth_blockNumber, eth_chainId and eth_syncing

* added script to initialize localtestnet

* set up local test env with local shardeum network

* modify the script

* add new test cases (#33)

* add new test cases

* clean up tests

* add remaining test cases

* 'Refactor test cases, improve test coverage, and better error handling

* update params

* Add new transaction test cases (#35)

* updated parameters and added new test cases

* Add new test cases (#36)

* Add new transaction test cases

* add test files

* update the failing tests

* update the failing tests part 2

* use env for txn tests (#37)

* rename test files for consistency

* update setup script

* update txn tests

* add readme, update script and test

* Update testing instructions

* fine-tune test script to execute gracefully

* start jrpc server in the background so tests can run

* update readme for testing instructions

* update testing instructions

* remove the unsupported methods

* optimize test script

* update testing instructions

* mod: change URL to PATH

* optimize tests and formatting

---------

Co-authored-by: kenny-io <[email protected]>
Co-authored-by: Chris Chabot <[email protected]>