public void testQuerySystemComplexCondition(){
Reference ref = new Reference();
ref.setValue("house md");
Parent parent = new Parent();
parent.setDescription("testing5");
parent.setReference(ref);
boolean value = admin.save(parent);
System.out.println(value);
Parent p = new Parent();
admin.obtain(p, "reference.value = 'house md' && description = 'testing5'");
System.out.println(p.getReference().getValue().equalsIgnoreCase("house md"));
System.out.println(p.getDescription().equalsIgnoreCase("testing5"));
}