Django REST Framework - Set request in serializer test for ApiClient

I already read: Django REST Framework - Set request in serializer test?. And it doesn't work for me! Because I'm using APIClient and not RequestFactory like him.

I built a web app where the back-end is implemented using the Django REST Framework. Now I'm writing unit tests and I have come across a problem in testing my serializer methods. Here is one example of a serializer method I'm struggling with:

def get_can_edit(self, obj):
  request = self.context['request']
  user = User.objects.get(username=request.user)
  return user == obj.admin

When trying to call this from the test, first I declare an instance of the serializer:

But now I need self.serializer to have the correct request when get_can_edit does self.context.get('request'). I've created a fake request with the correct information using APIClient:

self.client = APIClient()
self.client.force_authenticate(user)
conference = a_fake_conference

res = self.client.get('conference:conference-detail'. args=[conference.id])
serializer = ConferenceSerializer(conference, context={WHAT_IS_REQUEST?}) 
# I'm using a dict as context but the request gave me an error: context={'request': { 'user': user }}

sert.assertEqual(res.data, serializer.data)

Now I am stuck because I am unsure how to add request1 to serializer such that request = self.context['request'] will return

Thanks.