FactoryTest_wMenu.ino, add to RS232 test flow control test.#358

nk25719 merged 2 commits intomainPubInv/krake:mainfrom

bugfix/356-firmware-factory-test-bring-up-add-flow-control-test-for-com-portPubInv/krake:bugfix/356-firmware-factory-test-bring-up-add-flow-control-test-for-com-portCopy head branch name to clipboard