*/
private final void testAddNodesX(final int nodesToAdd) throws ConnectionException, InterruptedException {
final ScalarisVM conn = new ScalarisVM(scalarisNode);
try {
int size = conn.getNumberOfNodes();
final AddNodesResult addedNodes = conn.addNodes(nodesToAdd);
size += nodesToAdd;
assertEquals(nodesToAdd, addedNodes.successful.size());
assertTrue(addedNodes.errors.isEmpty());
assertEquals(size, conn.getNumberOfNodes());
final List<String> nodes = conn.getNodes();