assertNotNull("a is null", a);
assertTrue("Invalid field a1", a.getA1().equals("a1"));
assertTrue("Invalid field b.b1", a.getB().getB1().equals("b1"));
assertTrue("Invalid number of items in field collection", a.getCollection().size() == 3);
assertFalse("Object with path /source still exists", ocm.objectExists("/source"));
// --------------------------------------------------------------------------------
// Remove objects
// --------------------------------------------------------------------------------
ocm.remove("/result");