private static String asNodeJson(String hostname, String flavor, String... ipAddress) {
        return "{\"hostname\":\"" + hostname + "\", \"id\":\"" + hostname + "\"," +
                createIpAddresses(ipAddress) +
                "\"flavor\":\"" + flavor + "\"}";
    }
Tests the rendering of each node separately to make it easier to find errors
node-repository/src/test/java/com/yahoo/vespa/hosted/provision/restapi/NodesV2ApiTest.java