ExpectationListener listener = new ExpectationListener();
FilterBuilder builder = new FilterBuilder();
builder.condition(builder.any(
builder.path(TEST_PATH + "/a/b"),
builder.path(TEST_PATH + "/x/y")));
oManager.addEventListener(listener, builder.build());
Node testNode = getNode(TEST_PATH);
Node b = testNode.addNode("a").addNode("b");
b.addNode("c");
Node y = testNode.addNode("x").addNode("y");