find and fix error #156

Job	Run time
Basic Checks	3m 11s
Basic Checks	3m 11s
Unit Tests	5m 42s
Unit Tests	5m 42s
Integration Tests (raft)	11m 31s
Integration Tests (raft)	11m 31s
Integration Tests (pvtdata)	10m 53s
Integration Tests (pvtdata)	10m 53s
Integration Tests (pvtdatapurge)	4m 46s
Integration Tests (pvtdatapurge)	4m 46s
Integration Tests (ledger)	12m 40s
Integration Tests (ledger)	12m 40s
Integration Tests (lifecycle)	3m 52s
Integration Tests (lifecycle)	3m 52s
Integration Tests (e2e smartbft)	19m 50s
Integration Tests (e2e smartbft)	19m 50s
Integration Tests (discovery gossip devmode pluggable)	5m 37s
Integration Tests (discovery gossip devmode pluggable)	5m 37s
Integration Tests (gateway idemix pkcs11 configtx configtxlator)	18m 24s
Integration Tests (gateway idemix pkcs11 configtx configtxlator)	16m 21s
Integration Tests (sbe nwo msp)	6m 39s
Integration Tests (sbe nwo msp)	6m 39s
	3h 24m 7s

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