public void Sys_databases_null()
 {
     databases d = new databases();
     List<databases> dl = d.ToList;
     Assert.AreEqual<List<databases>>(dl, null);
 }
 public void Sys_databases()
 {
     databases d = new databases(connStr);
     List<databases> dl = d.ToList;
     Assert.AreNotEqual<List<databases>>(dl, null);
 }