Resolve "Public keys not visible to others"

Closes #13 (closed)

app/hkp/tests.py

 from django.test import TestCase
-
+from django.contrib.auth.models import Group
 from guardian.shortcuts import assign_perm
-from guardian.utils import get_anonymous_user
 
 from pgp import models
 
@@ -13,8 +12,8 @@ class CorsHeadersTestCase(TestCase):
             email="frank@sauerburger.com",
             keyid="123456789",
         )
-        anonymous = get_anonymous_user()
-        assign_perm('view_publickey', anonymous, self.toykey)
+        any_user = Group.objects.get(name="any-user")
+        assign_perm('view_publickey', any_user, self.toykey)
 
     def test_policy(self):
         """Check that the policy file has CORS headers"""
@@ -30,8 +29,8 @@ class CaseSensitivityTestCase(TestCase):
             email="frank@sauerburger.com",
             keyid="123456789abcd",
         )
-        anonymous = get_anonymous_user()
-        assign_perm('view_publickey', anonymous, self.toykey)
+        any_user = Group.objects.get(name="any-user")
+        assign_perm('view_publickey', any_user, self.toykey)
 
     def test_lower(self):
         """Check that lower case string can be used to lookup a key"""