Fix basename deprecation warnings in tests (#6529)

Author: turfaa

tests/test_renderers.py

@@ -636,7 +636,7 @@ def list_action(self, request):
             raise NotImplementedError
 
     router = SimpleRouter()
-    router.register('examples', ExampleViewSet, base_name='example')
+    router.register('examples', ExampleViewSet, basename='example')
     urlpatterns = [url(r'^api/', include(router.urls))]
 
     def setUp(self):

tests/test_routers.py

@@ -121,7 +121,7 @@ def action3_delete(self, request, pk, *args, **kwargs):
 
 class TestSimpleRouter(URLPatternsTestCase, TestCase):
     router = SimpleRouter()
-    router.register('basics', BasicViewSet, base_name='basic')
+    router.register('basics', BasicViewSet, basename='basic')
 
     urlpatterns = [
         url(r'^api/', include(router.urls)),