Add view tests

• Introduce framework to simply test correct rendering of views
• Create tests for dashboard views
• Create tests for plan views
• Create tests for default admin views (add and change) of AKModel models
• Create tests for scheduling (admin) views
• Create tests for submission views
• Improve pipeline to correctly run the new tests on a blank database with fixture loading
• Add coverage reporting
• Show test results in GitLab directly

AKDashboard/tests.py

@@ -65,7 +65,6 @@ class DashboardTests(TestCase):
         self.event.public = False
         self.event.save()
         response = self.client.get(url_dashboard_index)
-        print(response)
         self.assertEqual(response.status_code, 200)
         self.assertFalse(self.event in response.context["events"])
         response = self.client.get(url_event_dashboard)