@Test
    public void testNoNodeTagMeansTwoNodesNoContent() {
        String services =
                "<?xml version='1.0' encoding='utf-8' ?>\n" +
                "<services>" +
                "  <container id='foo' version='1.0'>" +
                "    <search/>" +
                "    <document-api/>" +
                "  </container>" +
                "</services>";
        VespaModelTester tester = new VespaModelTester();
        tester.addHosts(2);
        VespaModel model = tester.createModel(services, true, deployStateWithClusterEndpoints("foo"));
        assertEquals(2, model.getRoot().hostSystem().getHosts().size());
        assertEquals(2, model.getAdmin().getSlobroks().size());
        assertEquals(2, model.getContainerClusters().get("foo").getContainers().size());
    }
Deploying an application with "nodes count" standalone should give a single-node deployment,
also if the user has a lingering hosts file from running self-hosted.

NOTE: This does *not* work (but gives an understandable error message),
      but the current code does not get provoke the error that is thrown from HostsXmlProvisioner.prepare
config-model/src/test/java/com/yahoo/config/model/provision/ModelProvisioningTest.java