I have created 2 users niall and nuadac - the second user is in honour of Nuada of the Silver Hand or, as we say in Gaelic, Airgeadlámh. Airgead is the Irish for silver or money and lámh is hand. You can find out more about Nuada here.
Now back to OIC and Project RBAC - I login to my OIC instance as user niall and create a project -
Note, I do not check the box.
I now sign out as niall and sign in as nuadac -
nuadac has no projects, but let's get rid of the filter - I see some projects, including AA-ERP-Private-Project -