[REFACTOR] Make pagination_html a function instead of lambda

forum/tests.py

@@ -165,6 +165,10 @@ class DiscussionCommentModelTest(TestCase):
         self.assertEqual(discussion_comment.materi.count(), 2)
 
 
+def pagination_html(page):
+    return '<li class="page-item"><a class="page-link" href="?page={}">{}</a></li>'.format(page, page)
+
+
 class ForumHomePageTest(TestCase):
     def setUp(self):
         self.USER_CONTRIBUTOR = User.objects.create_contributor(email=CONTRIBUTOR_EMAIL, password=CONTRIBUTOR_PASSWORD)
@@ -203,8 +207,6 @@ class ForumHomePageTest(TestCase):
         self.assertIn("User Test", request.content.decode())
 
     def test_forum_home_pagination(self):
-        pagination_html = lambda page: '<li class="page-item"><a class="page-link" href="?page={}">{}</a></li>' \
-            .format(page, page)
         for i in range(51):
             num = str(i)
             Discussion.objects.create(title="Discussion " + num, description="Description " + num,
@@ -285,9 +287,6 @@ class ForumDiscussionDetailPageTest(TestCase):
 
     def test_discussion_detail_page_pagination(self):
         discussion_id = str(self.DISCUSSION.id)
-        pagination_html = lambda page: '<li class="page-item"><a class="page-link" href="?page={}">{}</a></li>' \
-            .format(page, page)
-
         data = []
         for i in range(101):
             data.append(DiscussionComment(description="Description " + str(i), user=self.USER_CONTRIBUTOR,