Diddy's trial has focused a lot on drugs and drug usage over the past few days ... including when Cassie's friend Bryana Bongolan testified that she previously purchased drugs for her -- and pictures of what appear to be drugs have now been entered into evidence.

"I was scared to fall," she recalled on the stand, adding that she had no idea what prompted the outburst. "You know what the f**k you did," Diddy allegedly shouted, according to

Bryana ‘Bana’ Bongolan has testified about being held over a balcony by Sean ‘Diddy’ Combs in 2016. She also told the court about her regular drug use with her friend Cassie Ventura. Ms Bongolan was questioned by Diddy’s defence lawyer about her memory of events.