integration/cluster.go
func NewClusterByConfig(t testing.TB, cfg *ClusterConfig) *cluster {
	return newCluster(t, cfg)
}
func NewClusterByConfig(t testing.TB, cfg *ClusterConfig) *cluster {
	return newCluster(t, cfg)
}
func NewClusterByConfig ( t testing . TB , cfg * ClusterConfig ) * cluster { return newCluster ( t , cfg ) }
// NewClusterByConfig returns an unlaunched cluster defined by a cluster configuration
NewClusterByConfig returns an unlaunched cluster defined by a cluster configuration