test: ut for undefined skipConnection param #622

Job	Run time
yarn-lockfile-check / lockfile-check	14s
linux-unit-tests / linux-unit-tests (lts/-1)	1m 22s
linux-unit-tests / linux-unit-tests (lts/*)	1m 29s
linux-unit-tests / linux-unit-tests (latest)	5m 19s
windows-unit-tests / windows-unit-tests (lts/-1)	4m 54s
windows-unit-tests / windows-unit-tests (lts/*)	3m 59s
windows-unit-tests / windows-unit-tests (latest)	12m 24s
nuts (ubuntu-latest, yarn test:nuts) / yarn test:nuts	7m 48s
nuts (ubuntu-latest, yarn test:nuts:legacy) / yarn test:nuts:legacy	2m 55s
nuts (windows-latest, yarn test:nuts) / yarn test:nuts	13m 26s
nuts (windows-latest, yarn test:nuts:legacy) / yarn test:nuts:legacy	11m 23s
	1h 5m 13s

Provide feedback