This site requires admin access, and three users, Student A, Student B and Student C. The default theme should be Boost. The site should have two categories, X and Y.

1. As admin,access Theme settings, disable category themes (if enabled) and enable cohort themes.
2. Access Users>Cohorts and add a sitewide cohort. Click to edit the cohort and force the More theme
3. Add one student student A to the cohort
4. Add a category cohort to category X . Click to edit the cohort and force the Clean theme
5. Add one student, student B to the category cohort
6. Log in with the  Student C account,  navigate the site and the category and make sure you see everything with the Boost theme. Log out.
7. Log in with the Student A account,  navigate the site and both categories and make sure you see everywhere with the More theme. Log out
8. Log in with the Student B account,  navigate the site and both categories and make sure you see the site with the Clean theme. Log out.
9. As admin,access Theme settings and disable cohort themes.
10. Log in as Students A and B and verify you see the site with the Boost theme.