Fixes some failing tests on jenkins

- apps.users.tests.test_views.TestReset.test_reset_fails, apps.users.tests.test_views.TestReset.test_reset_msg: introduced in d1e14c48846
- apps.devhub.tests.test_views.TestDashboard.test_sort_created_filter: introduced in ad4ecea9ebb
- apps.api.tests.test_urls:TestDRFSwitch.test_responses: introduced in 5ab4b4a16d
- tests failing because of calls to persona