diff --git a/WaWi.cs b/WaWi.cs
index c60b3ad..3c451d3 100644
--- a/WaWi.cs
+++ b/WaWi.cs
@@ -43,23 +43,7 @@ namespace sharpwawi
         private void TestMapper()
         {
             Console.WriteLine("TestMapper():");
-
-            Table table = Table.GetOrCreate("HWO");
-            new Column(table, "id", typeof(Guid));
-            new Column(table, "name", typeof(string));
-            new Column(table, "salery", typeof(double));
-
-            Row row = new Row(table);
-
-            row["id"] = Guid.NewGuid();
-            row["name"] = "Harald Wolff";
-            row["salery"] = 12.34;
-
-            Mapper.AcquireTransaction();
-            Mapper.SQLBuilder.Update(row);
-
-
-            Mapper.RollbackTransaction();
+            Mapper.UpdateScheme();
         }