fix: view permissions unit tests

[SKairinos]

This change is 

[SKairinos]

I had already created the permissions in a previous PR. In this PR I just focused on finishing the unit tests for the permissions.

[faucomte97]

Reviewed 12 of 14 files at r1, 6 of 6 files at r2, 1 of 1 files at r5, 2 of 2 files at r6, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @SKairinos)

---

codeforlife/user/tests/permissions/test_is_teacher.py line 181 at r6 (raw file):

    Naming convention:
        test_{user_type}
    

Whitespaces

[SKairinos]

Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @faucomte97)

---

codeforlife/user/tests/permissions/test_is_teacher.py line 181 at r6 (raw file):

Previously, faucomte97 (Florian Aucomte) wrote…

Whitespaces

Done.

[faucomte97]

Reviewed 1 of 1 files at r7, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @SKairinos)