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I cannot believe I am not able to find any clear information on this, but how can I test introductory offers without affecting the real users? My case is the following: I have an in-app subscription plan that is cleared for sale (active). Now I want to provide introductory offer for it. In the official document it does not say how I can test the whole flow (including the introductory offer). Since my plan is already active, if I set the intro offer with a start date the current date, then it will affect my real users. But if I set the intro offer to start from the future, then the system Apple dialog that shows the price actually shows (and buys) the regular price.