diff --git a/boards/tests/test_pages.py b/boards/tests/test_pages.py
--- a/boards/tests/test_pages.py
+++ b/boards/tests/test_pages.py
@@ -7,12 +7,10 @@ NEW_THREAD_PAGE = '/'
 THREAD_PAGE_ONE = '/thread/1/'
 THREAD_PAGE = '/thread/'
 TAG_PAGE = '/tag/'
-HTTP_CODE_REDIRECT = 302
+HTTP_CODE_REDIRECT = 301
 HTTP_CODE_OK = 200
 HTTP_CODE_NOT_FOUND = 404
 
-PAGE_404 = 'boards/404.html'
-
 
 class PagesTest(TestCase):
 
@@ -33,7 +31,7 @@ class PagesTest(TestCase):
 
         response_not_existing = client.get(THREAD_PAGE + str(
             existing_post_id + 1) + '/')
-        self.assertEqual(PAGE_404, response_not_existing.templates[0].name,
+        self.assertEqual(HTTP_CODE_NOT_FOUND, response_not_existing.status_code,
                          'Not existing thread is opened')
 
         response_existing = client.get(TAG_PAGE + tag_name + '/')
@@ -42,8 +40,7 @@ class PagesTest(TestCase):
                          'Cannot open existing tag')
 
         response_not_existing = client.get(TAG_PAGE + 'not_tag' + '/')
-        self.assertEqual(PAGE_404,
-                         response_not_existing.templates[0].name,
+        self.assertEqual(HTTP_CODE_NOT_FOUND, response_not_existing.status_code,
                          'Not existing tag is opened')
 
         reply_id = Post.objects.create_post('', TEST_TEXT,
@@ -51,6 +48,5 @@ class PagesTest(TestCase):
                                             .get_thread())
         response_not_existing = client.get(THREAD_PAGE + str(
             reply_id) + '/')
-        self.assertEqual(PAGE_404,
-                         response_not_existing.templates[0].name,
+        self.assertEqual(HTTP_CODE_REDIRECT, response_not_existing.status_code,
                          'Reply is opened as a thread')
diff --git a/boards/tests/test_views.py b/boards/tests/test_views.py
--- a/boards/tests/test_views.py
+++ b/boards/tests/test_views.py
@@ -8,6 +8,10 @@ logger = logging.getLogger(__name__)
 
 HTTP_CODE_OK = 200
 
+EXCLUDED_VIEWS = {
+        'banned',
+}
+
 
 class ViewTest(TestCase):
 
@@ -21,13 +25,17 @@ class ViewTest(TestCase):
         for url in urls.urlpatterns:
             try:
                 view_name = url.name
+                if view_name in EXCLUDED_VIEWS:
+                    logger.debug('View {} is excluded.'.format(view_name))
+                    continue
+
                 logger.debug('Testing view %s' % view_name)
 
                 try:
                     response = client.get(reverse(view_name))
 
                     self.assertEqual(HTTP_CODE_OK, response.status_code,
-                                     '%s view not opened' % view_name)
+                            'View not opened: {}'.format(view_name))
                 except NoReverseMatch:
                     # This view just needs additional arguments
                     pass
diff --git a/boards/views/not_found.py b/boards/views/not_found.py
--- a/boards/views/not_found.py
+++ b/boards/views/not_found.py
@@ -12,4 +12,7 @@ class NotFoundView(BaseBoardView):
         context = self.get_context_data(request=request)
 
         # TODO Use dict here
-        return render(request, 'boards/404.html', context_instance=context)
+        response = render(request, 'boards/404.html', context_instance=context)
+        response.status_code = 404
+
+        return response