public void Sys_trigger_events_null()
 {
     trigger_events t = new trigger_events();
     List<trigger_events> tl = t.ToList;
     Assert.AreEqual<List<trigger_events>>(tl, null);
 }
 public void Sys_trigger_events()
 {
     trigger_events t = new trigger_events(connStr);
     List<trigger_events> tl = t.ToList;
     Assert.AreNotEqual<List<trigger_events>>(tl, null);
 }