@Test(groups = SMALL)
public void testCreatesTheCorrectJsonForOldEntityForDelete() {

    ReactiveTrigger reactiveTrigger = new ReactiveTrigger(TRIGGER_NAME, TRIGGER_TABLE, DELETE, AFTER, TABLE_COLS);
    assertEquals(reactiveTrigger.oldJson(), "CONCAT('{'," +
            "'\\\"ID\\\":','\\\"',OLD.ID,'\\\"',','," +
            "'\\\"TXT\\\":','\\\"',OLD.TXT,'\\\"'," +
            "'}')");
}