Remove Matrix test

apps/participation/tests.py

@@ -487,20 +487,6 @@ class TestStudentParticipation(TestCase):
         resp = self.client.get(reverse("participation:participation_detail", args=(self.second_team.pk,)))
         self.assertEqual(resp.status_code, 403)
 
-    def test_cover_matrix(self):
-        """
-        Load matrix scripts, to cover them and ensure that they can run.
-        """
-        self.user.registration.team = self.team
-        self.user.registration.save()
-        self.second_user.registration.team = self.second_team
-        self.second_user.registration.save()
-        self.team.participation.valid = True
-        self.team.participation.received_participation = self.second_team.participation
-        self.team.participation.save()
-
-        call_command('fix_matrix_channels')
-
 
 class TestAdmin(TestCase):
     def setUp(self) -> None: