Check the information of test user with the following steps:
Note that test users are not tied to a specific merchant ID, so they can use any merchant present in the development environment.
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1. Access PayPay for Developers.
2-a. If you have not log in to PayPay for Developers, press the "Sign In" or "Sign up" button to log in.
2-b. If you have already logged in to PayPay for Developers, press the "Dashboard" button to open the Dashboard screen.
3. Click "Test User" on the Dashboard screen.
Three (3) test users are available per account. Their password can be checked by clicking respective eye icons.