public List<HostSpec> prepare(ApplicationId application, ClusterSpec cluster, int nodeCount, int groups, boolean required, NodeResources resources) {
        return prepare(application, cluster, Capacity.from(new ClusterResources(nodeCount, groups, resources), required, true));
    }
A test utility for provisioning tests.

@author bratseth
node-repository/src/test/java/com/yahoo/vespa/hosted/provision/provisioning/ProvisioningTester.java