I have not but I've been meaning to. There are DIY kits from Amazon you can order or you can get one done thru UMass
https://www.amazon.com/LaMotte-Garden-Kit/dp/B00DBSY6B2/ref=sr_1_3_mod_primary_new?crid=IE3BNEZ0L327&dchild=1&keywords=la+motte+testing+kit&qid=1629134239&sbo=RZvfv%2F%2FHxDF%2BO5021pAnSA%3D%3D&sprefix=la+motte%2Caps%2C192&sr=8-3
https://ag.umass.edu/services/soil-plant-nutrient-testing-laboratory/ordering-information-forms