When do I test? I had positive opk on 25th but my app says I’m due on on 4th June... surely it’s 2…

When do I test? I had positive opk on 25th but my app says I’m due on on 4th June... surely it’s 2 weeks after my positive opk but that would be cd30 and I normally have 25/26 day cycles 🤷🏼‍♀️ I don’t want to test too early tho!! I’m so confused