BFT chain unit tests: stop and restart nodes #146

Job	Run time
Basic Checks	3m 8s
Integration Tests (raft)	11m 14s
Unit Tests	5m 35s
Integration Tests (pvtdata)	11m 47s
Integration Tests (pvtdatapurge)	4m 47s
Integration Tests (ledger)	12m 25s
Integration Tests (lifecycle)	4m 5s
Integration Tests (e2e smartbft)	20m 4s
Integration Tests (discovery gossip devmode pluggable)	5m 52s
Integration Tests (gateway idemix pkcs11 configtx configtxlator)	16m 39s
Integration Tests (sbe nwo msp)	6m 48s
	1h 42m 24s

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