I am starting a new job in a few weeks, and am taking the training for the Business Practitioner certificate. It would be advantageous to have this before I start. So as to put what I learn into practice, it would be useful to have a test instance that I can use to try things out. Is there such a thing? I do not yet have access to a live instance. In case the above seems like a tall order, I should mention I am already a GA professional, so most of the concepts are already familiar to me. Thanks