Can I use Supabase "native" functions in pgTap tests?

Moving through https://supabase.com/docs/guides/local-development/testing/overview#database-unit-testing-with-pgtap, and I see in the tests that there is a manual insert into the

auth

auth

table of

auth_id

auth_id

and

email

email

. I'm curious if I can lean on the function in the Supabase client for

signUp

signUp

- https://supabase.com/docs/reference/dart/auth-signup in my pgTap test to fully recreate the flows I'll be using in my code. It dawns on me that I'm assuming this is a db function, but it could well be handled entirely inside the server-side binary. Looking in the dashboard, I see "get" functions for data in the