chore: apply suggestions from code review

Co-authored-by: Andrey Cañon <[email protected]>

eox_nelp/course_experience/api/v1/tests/mixins_helpers.py

@@ -83,13 +83,13 @@ def test_get_object_list_by_user(self):
 
     @override_settings()
     def test_get_relationships_keys_mapped_for_settings(self):
-        """ Test the course experiences api return the keys configured via the
+        """ Test the course experiences api returns the keys configured via the
         COURSE_EXPERIENCE_SETTINGS` in settings.
         Expected behavior:
             - Return expected content type.
             - Status code 200.
             - Check all the elements has the relationship attrs keys presented for course according setting config.
-            - Check all the elements has the relationship attrskeys for user(author) according setting config.
+            - Check all the elements has the relationship attrs keys for user(author) according setting config.
 
         """
         url_endpoint = reverse(self.reverse_viewname_list)