Lamp Testing

Interesting article on testing from a major Chinese quality assurance company: https://www.intouch-quality.com/blog/lighting-testing-11-on-site-tests-for-led-lighting-inspection
Video on test procedures at Lampfix: https://www.youtube.com/watch?v=Y_6u4z-tvw0
Why electric products fail: products on sale in the EU with safety alerts: https://ec.europa.eu/safety-gate-alerts/screen/search?resetSearch=true (set product category to Electrical appliances and equipment, and in free text search use word like luminaire, lamp or light).

PAT Testing

Megger Guide to PAT Testing: https://www.instrumart.com/assets/Megger-Portable-Appliance-Testing-Guide.pdf
Seaward Guide to PAT Testing: https://www.seaward.com/storage/8viNkvxxHWD6ujxIJbzXYIwafA4yTtjxi73RCqsK.pdf
PASS are one of many companies offering PAT testing training, and offer in person courses, or videos, or a handbook: https://www.pat-testing-course.com/pat-testing-handbook.php

Test Equipment

A UK supplier of test equipment offering good prices: https://www.test-meter.co.uk
PAT (and other) testers can also be hired quite reasonably, about £7 - £10 per day, so you can try out various models before purchase, or just hire one when needed. Google PAT tester hire to find suppliers in your area.
Seaward: https://www.seaward.com/gb/

Sample Test Reports

Blank test report forms can be purchased from the IEC here: https://www.iecee.org/dyn/www/f?p=106:61:0:::::
Below is a link to a sample test report for the most likely classes of lamp.

StandardTitleTest report link
60598-2-1Fixed general purpose luminaireshttps://secure.img1-ag.wfcdn.com/dm/document/555bf107-eb67-4ca7-af20-d2b76728ad89/85896-2914813-cstarwg21c01l_ce-lvd_test_report.pdf
60598-2-2Recessed luminaireshttps://sgslight.com/wp-content/uploads/2015/04/TLP-TUV-CB-test-report.pdf
60598-2-4Portable general purpose luminaireshttps://assets.presscloud.com/file/66/666682715394991/Eddy_Table_-_CE_LVD_Test_Report.pdf
60598-2-10Portable luminaires for children
60598-2-11Aquarium luminaires
60598-2-12Mains socket-outlet mounted nightlights
60598-2-13Ground recessed luminaires
60598-2-20Lighting chainshttps://sonoff.tech/wp-content/uploads/2021/12/SONOFF_L2-2M_EN-60598_safety_report.pdf
60598-2-21Sealed lighting chains
60598-2-23Extra low voltage lighting systems for filament lamps