public void suspend(ApplicationId app) {
        try {
            nodeRepository.orchestrator().suspend(app);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
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