public List<Node> createReadyNodes(int count, NodeType nodeType) {
        return createReadyNodes(count, 0, Optional.empty(), hostFlavors.getFlavorOrThrow("default"), nodeType);
    }
Create hostCount hosts, one app with containerCount containers, and one app with contentCount content nodes.
node-repository/src/test/java/com/yahoo/vespa/hosted/provision/maintenance/NodeFailTester.java