Add unit test for forum_post_revisions.py

test/test_forum_post_revisions.py

@@ -0,0 +1,27 @@
+import unittest
+from unittest.mock import patch
+
+import requests
+
+from yellowstone.request import forum_post_revisions
+
+from .helpers import FakeResponse, make_wikidot
+
+
+class TestForumPostRevisions(unittest.TestCase):
+    def setUp(self):
+        self.wikidot = make_wikidot()
+
+    def test_forum_posts(self):
+        http_response = FakeResponse.ajax_from_file("forum_post_revisions")
+        with patch.object(requests, "post", return_value=http_response) as mock:
+            revision_ids = forum_post_revisions.get(
+                site_slug="scp-wiki",
+                category_id=88827,
+                thread_id=561991,
+                post_id=1782850,
+                wikidot=self.wikidot,
+            )
+            mock.assert_called_once()
+
+        self.assertEqual(revision_ids, [7841563, 7841564, 7841565, 7841566, 7841567])