Create a test table in the primary and replicate databases, and grant maintenance user permissions to it to test that replication works.
use pdb1 go create table dbo.testtab(c1 int primary key, c2 int, c3 char(10)) go
use iqdb go create table dbo.testtab(c1 int primary key, c2 int, c3 char(10)) go grant all on dbo.testtab to public go