diff --git a/tests/test_cookies.py b/tests/test_cookies.py
index b694c748..d7d9f874 100644
--- a/tests/test_cookies.py
+++ b/tests/test_cookies.py
@@ -1,4 +1,5 @@
 import unittest
+from unittest.mock import patch, MagicMock
 from OrthoEvol.Cookies import CookBook, Oven
 from pathlib import Path
 import os
@@ -8,13 +9,16 @@ class TestCookBook(unittest.TestCase):
     def test_init(self):
         cookbook = CookBook()
         self.assertTrue(hasattr(cookbook, 'CookieJar'))
-        self.assertTrue(isinstance(cookbook.CookieJar, Path))
+        self.assertIsInstance(cookbook.CookieJar, Path)
         # Test other attributes similarly
 
-    def test_new_recipes(self):
+    @patch('builtins.open', new_callable=MagicMock)
+    def test_new_recipes(self, mock_open):
+        mock_open.return_value.__enter__.return_value = MagicMock()
         new_recipe_path = Path('path/to/new/recipe')
         cookbook = CookBook(new_recipe='new_recipe_path')
-        self.assertEqual(cookbook.new_recipe, new_recipe_path)
+        self.assertTrue(hasattr(cookbook, 'new_recipe'))
+        self.assertEqual(getattr(cookbook, 'new_recipe'), new_recipe_path)
 
 class TestOven(unittest.TestCase):
 
@@ -22,8 +26,7 @@ def setUp(self):
         self.cookbook = CookBook()
         self.oven = Oven(recipes=self.cookbook)
         self.test_dir = Path('test_directory')
-        if not self.test_dir.exists():
-            os.makedirs(self.test_dir)
+        self.test_dir.mkdir(exist_ok=True)
 
     def tearDown(self):
         if self.test_dir.exists():
@@ -37,15 +40,17 @@ def test_bake_the_repo(self):
         repo_name = 'test_repo'
         self.oven.repo = repo_name
         self.oven.bake_the_repo(cookie_jar=self.test_dir)
-        self.assertTrue((self.test_dir / repo_name).exists())
+        expected_dir = self.test_dir / repo_name
+        self.assertTrue(expected_dir.exists())
 
     def test_bake_the_user(self):
         user_name = 'test_user'
         self.oven.user = user_name
         self.oven.bake_the_user(cookie_jar=self.test_dir)
-        self.assertTrue((self.test_dir / user_name).exists())
+        expected_dir = self.test_dir / user_name
+        self.assertTrue(expected_dir.exists())
 
-    # Similar tests for other methods like bake_the_project, bake_the_db_repo, etc.
+    # Similar tests for other methods like bake_the_project, etc.
 
 if __name__ == '__main__':
     unittest.main()