def METHOD_NAME(self):
    """Test if workshop issues collects events without instructors."""
    instructor = Event.objects.create(
        slug="event-with-instructor",
        start=self.weekago,
        end=self.yesterday,
        manual_attendance=36,
        host=Organization.objects.first(),
        country="US",
        address="A",
        venue="B",
        latitude=89,
        longitude=179,
    )
    instructor.task_set.create(
        person=Person.objects.first(), role=self.instructor_role
    )
    no_instructors = Event.objects.create(
        slug="event-with-no-instructors",
        start=self.weekago,
        end=self.yesterday,
        manual_attendance=36,
        host=Organization.objects.first(),
        country="US",
        address="A",
        venue="B",
        latitude=89,
        longitude=179,
    )
    rv = self.client.get(self.url)
    self.assertNotIn(instructor, rv.context["events"])
    self.assertIn(no_instructors, rv.context["events"])