TagMergeItem item = new TagMergeItem("key", "myvalue", "theirvalue");
item.decide(MergeDecisionType.KEEP_THEIR);
Node n1 = new Node(1);
n1.put("key", "oldvalue");
item.applyToMyPrimitive(n1);
assertEquals("theirvalue", n1.get("key"));
n1 = new Node(1);
item.applyToMyPrimitive(n1);
assertEquals("theirvalue", n1.get("key"));