public void InfoSchema_COLUMNS_NULL()
 {
     COLUMNS c = new COLUMNS();
     List<COLUMNS> cl = c.ToList;
     Assert.AreEqual<List<COLUMNS>>(cl, null);
 }
 public void InfoSchema_COLUMNS()
 {
     COLUMNS c = new COLUMNS(connStr);
     List<COLUMNS> cl = c.ToList;
     Assert.AreNotEqual<List<COLUMNS>>(cl, null);
 }