OperationRequestAddress address = handler.getAddress();
assertNotNull(address);
Iterator<Node> nodes = address.iterator();
assertTrue(nodes.hasNext());
Node node = nodes.next();
assertEquals("subsystem", node.getType());
assertEquals("datasources", node.getName());
assertTrue(nodes.hasNext());
node = nodes.next();
assertEquals("data-source", node.getType());
assertEquals("java:/H2DS", node.getName());
}