Checks a buffer can only be bound to 1 target. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". Canvas.getContext PASS context exists PASS should be able to bind buffer. PASS should be able to unbind buffer. PASS should get INVALID_OPERATION if attempting to bind buffer to different target PASS should be able to bind buffer. PASS should be able to unbind buffer. PASS should get INVALID_OPERATION if attempting to bind buffer to different target PASS successfullyParsed is true TEST COMPLETE