where can l have a tester pilots lesson and how can l book it?

Search on Google for flying schools in your area. You will probably have to phone them up and book it via the company.

l do not know. What is a ''tester pilots lesson''?

Check out the flight school lists below to find schools in ur area, then contact them & ask about an introductory lesson. They usually r not difficult at all to schedule. Just call them, tell them when u want to go, & they will put u on their schedule. That is it.

Flight School Listings
http://flightschoollist.com/flightschools.php
http://flighttraining.aopa.org/learntofly/school/flight_schools/
http://bestaviation.net/flight_school/
http://aviationschoolsonline.com/school-listings/Flight-Schools/1.php

General Information
http://beapilot.com/
http://flighttraining.aopa.org/learntofly/
http://faa.gov/pilots/become/
http://becomeapilot.com/how_to_pp/pp_whats_required.html