Use RequestFactory instead of HttpRequest.

organizations/admin.py

@@ -19,7 +19,8 @@ def get_actions(self, request):
         actions = super(OrganizationAdmin, self).get_actions(request)
 
         # Remove the delete action.
-        del actions['delete_selected']
+        if 'delete_selected' in actions:
+            del actions['delete_selected']
 
         return actions
 

organizations/tests/test_admin.py

@@ -4,11 +4,12 @@
 from __future__ import unicode_literals
 from django.contrib.admin.sites import AdminSite
 from django.contrib.messages.storage.fallback import FallbackStorage
-from django.http import HttpRequest
+from django.test import RequestFactory
 
 import organizations.tests.utils as utils
 from organizations.admin import OrganizationAdmin, OrganizationCourseAdmin
 from organizations.models import Organization, OrganizationCourse
+from organizations.tests.factories import UserFactory
 
 
 def create_organization(active=True):
@@ -29,9 +30,11 @@ class OrganizationsAdminTestCase(utils.OrganizationsTestCaseBase):
 
     def setUp(self):
         super(OrganizationsAdminTestCase, self).setUp()
-        self.request = HttpRequest()
         self.org_admin = OrganizationAdmin(Organization, AdminSite())
+        self.request = RequestFactory().get('/admin')
+        self.admin_user = UserFactory(is_staff=True)
         self.request.session = 'session'
+        self.request.user = self.admin_user
         self.request._messages = FallbackStorage(self.request)  # pylint: disable=protected-access
 
     def test_default_fields(self):
@@ -98,7 +101,7 @@ class OrganizationCourseAdminTestCase(utils.OrganizationsTestCaseBase):
 
     def setUp(self):
         super(OrganizationCourseAdminTestCase, self).setUp()
-        self.request = HttpRequest()
+        self.request = RequestFactory().get('')
         self.org_course_admin = OrganizationCourseAdmin(OrganizationCourse, AdminSite())
 
     def test_foreign_key_field_active_choices(self):