@SuppressWarnings("deprecation")
  @Override
  protected void prepareData() throws Exception {

    // Create a virtual array.
    VirtualArray varray = new VirtualArray();
    varrayURI = URIUtil.createId(VirtualArray.class);
    varray.setId(varrayURI);
    _dbClient.createObject(varray);

    // Create a network and set the virtual array.
    Network network = new Network();
    network.setId(URIUtil.createId(Network.class));
    network.setLabel("NetworkWithVarray");
    network.setVirtualArray(varrayURI);
    _dbClient.createObject(network);

    // Create another network without a virtual array.
    network = new Network();
    network.setId(URIUtil.createId(Network.class));
    network.setLabel("NetworkWithoutVArray");
    _dbClient.createObject(network);
  }