first try at implementing product viewset "related" action

products/tests.py

@@ -194,6 +194,21 @@ class ProductViewSetTest(APITestCase):
         # Assert number of instnaces in response
         self.assertEquals(len(expected_instance), len(payload))
 
+    def test_anon_can_get_related_products(self):
+        # Create instances
+        instance = self.factory()
+        # make our user the creator
+        instance.creator = self.user
+        instance.save()
+
+        url = f"{self.endpoint}{instance.id}/related/"
+
+        response = self.client.get(url)
+
+        self.assertEquals(response.status_code, 200)
+        payload= response.json()
+        self.assertTrue(len(payload) <= 6)
+
     # authenticated user
     def test_auth_user_can_paginate_instances(self):
         """authenticated user can paginate instances