Non-UI triggers in the prototype

I need to create a prototype for user testing. I have the following user flow

  • The user registers and navigates to the dashboard, which has a disabled state.
  • after some time passes (it can take up to a month) the user receives an e-mail, that says that their registration was confirmed
  • now the user can navigate to the dashboard which is not disabled anymore.

I was thinking about adding some auxiliary buttons that are not part of the initial UI and will trigger this time pass. Something like “click here to imitate a time pass” But I failed to find any examples of someone doing it. Is it a good idea to add non-UI triggers to the prototype? Could it temper with the user testing? Is there another way to test this flow?