@Test
public void shouldNotIncludeEmptyChangesInHistory() throws JSONException {

    BaseModel originalModel = new BaseModel("{\"change1\":\"Foo Bar\",\"addition\":\"\",\"unique_identifier\":\"1\"}");
    BaseModel changedModel = new BaseModel("{\"change1\":\"Foo Bar1\",\"addition\":\"\",\"unique_identifier\":\"1\"}");
    History history = History.buildHistoryBetween(rapidFtrApplication, originalModel, changedModel);
    JSONObject changes = (JSONObject) history.get(History.CHANGES);
    assertFalse(changes.has("addition"));
}