change of commenting style

tests/test_darkmode.py

@@ -6,8 +6,8 @@ import os
 
 url = "http://127.0.0.1:8000/"
 
-""" Testing of DarkMode functionality with Unittest: https://docs.python.org/3/library/unittest.html 
-    and using end-to-end testing framework Selenium: https://selenium-python.readthedocs.io/ """
+# Testing of DarkMode functionality with Unittest: https://docs.python.org/3/library/unittest.html 
+# and using end-to-end testing framework Selenium: https://selenium-python.readthedocs.io/
 class AgreelanceDarkMode(unittest.TestCase):
 
     def setUp(self):