tests

refactor(dev.nut): assert DevServerError includes meaningful reason, … #224

Job	Run time
yarn-lockfile-check / lockfile-check	12s
linux-unit-tests / determine-node-versions	5s
linux-unit-tests / prevent-typescript-dependency / prevent-typescript-dependency	27s
linux-unit-tests / linux-unit-tests (25)	1m 7s
linux-unit-tests / linux-unit-tests (24.14.0)	1m 2s
linux-unit-tests / linux-unit-tests (20)	1m 14s
linux-unit-tests / linux-unit-tests (22)	1m 10s
windows-unit-tests / determine-node-versions	6s
nuts (windows-latest) / yarn test:nuts	9m 30s
nuts (ubuntu-latest) / yarn test:nuts	3m 53s
windows-unit-tests / windows-unit-tests (24.14.0)	3m 31s
windows-unit-tests / windows-unit-tests (22)	4m 4s
windows-unit-tests / windows-unit-tests (25)	3m 52s
windows-unit-tests / windows-unit-tests (20)	3m 10s
	33m 23s

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