fix for TestScript" Schema "SYSIBM" not found

h2/src/main/org/h2/command/dml/Set.java

@@ -345,6 +345,7 @@ public class Set extends Prepared {
                 database.setMode(mode);
                 session.getColumnNamerConfiguration().configure(mode.getEnum());
             }
+            addOrUpdateSetting(name, stringValue, 0);
             break;
         case SetTypes.MULTI_THREADED: {
             session.getUser().checkAdmin();