Fixed #27184 -- Allowed uploading TemporaryFile with the test client.

Thanks Federico Capoano for finishing the patch.

tests/test_client/urls.py

@@ -5,6 +5,7 @@ from django.views.generic import RedirectView
 from . import views
 
 urlpatterns = [
+    url(r'^upload_view/$', views.upload_view, name='upload_view'),
     url(r'^get_view/$', views.get_view, name='get_view'),
     url(r'^post_view/$', views.post_view),
     url(r'^trace_view/$', views.trace_view),