assertEquals(1, count(childrenFeatureTypesTree, newRoot).featureCount());
childTree2.remove("tree2/2");
createFeatureTypesTree(rootBuilder, "tree2", childTree2);
newRoot = rootBuilder.build();
assertEquals(2, count(childrenFeatureTypesTree, newRoot).featureCount());
childTree2.put(Node.create("tree2/1", FAKE_FEATURE_ID_CHANGED, ObjectId.NULL, TYPE.FEATURE,
null));
createFeatureTypesTree(rootBuilder, "tree2", childTree2);