Feature/iotconsensus snap multi dir #29020

Job	Run time
unit-test (17, windows-latest, datanode)	30m 18s
unit-test (17, windows-latest, others)	25m 26s
unit-test (17, ubuntu-latest, others)	18m 28s
unit-test (17, ubuntu-latest, datanode)	21m 32s
	1h 35m 44s

Provide feedback