@Override
    protected String getRequestData() {
        /**
         * { "Clusters" : {"desired_configs": {"type": "test-site", "tag" : "version1" }}}
         */
        JsonObject jsonObject;
        JsonObject jsonDesiredConfigs = new JsonObject();

        jsonDesiredConfigs.addProperty("type", configType);
        jsonDesiredConfigs.addProperty("tag", configTag);
        jsonObject = createJsonObject("Clusters", createJsonObject("desired_configs", jsonDesiredConfigs));
        Gson gson = new Gson();
        return gson.toJson(jsonObject);
    }
Gets the request data.

@return - Request data.
ambari-funtest/src/test/java/org/apache/ambari/funtest/server/api/cluster/AddDesiredConfigurationWebRequest.java