practical kata bunkai- Shows kata Bunkai practicalkatabunkai
Karate culture - Good Bunkai and shows you modern karate techniques Karate Culture
Endless Martial Drills- Good resource for instructors endless martial drills - YouTube
Ryan Parker - Variety of awesome content Ryan Parker
Let me explain why we have belt tests.
Well, think about it this way.
In order for an instructor to know what your abilities are, and, wether you fit the requirements to move onto advanced training, obviously, he/she must formally test you to see what your abilities...
Then that is something that is very... unique. Most people wouldn't wear a gi when they were going to/from class. But either way, we shouldn't confront people for wearing what they want to wear, everyone's different and it's there choice for wearing what they want to wear :)