Ask questionsFlaky test: TestNetworkDBCRUDMediumCluster

Seen failing on various occasions; for example, in;

failures look like:

2019/06/09 10:27:00 Closing DB instances...
--- FAIL: TestNetworkDBCRUDMediumCluster (8.22s)
	Location:	networkdb_test.go:113
	Error:		Network existence verification failed


=== RUN   TestNetworkDBCRUDMediumCluster
--- FAIL: TestNetworkDBCRUDMediumCluster (2.00s)
	networkdb_test.go:58: Number of nodes for node2 into the cluster does not match 5 != 4

Answer questions thaJeztah

should be fixed by

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