Define, apply, and test user criteria on the knowledge base

1. impersonate admin
2. knowledge > administration > user criteria
3. new
4. Fill out form: name and companies
5. submit
6. knowledge > administration > knowledge bases
7. open Human Resources record
8. scroll down > click can read tab
9. click edit...
10. add user criteria created in steps 3-5
11. save
12. impersonate someone who is not meeting user criteria
13. self service > knowledge
14. confirm he cannot see HR knowledge base