DOC: Add test comments

tests/test_issues_pylib.py

@@ -74,10 +74,11 @@ def test_gitlab_com_103():
     See https://gitlab.com/linkahead/linkahead-pylib/-/issues/103 and
     https://gitlab.indiscale.com/caosdb/customers/f-fit/management/-/issues/82
     """
-    #
+    # Configure connection to use auth_token
     auth_token = db.get_connection()._authenticator.auth_token
     db.configure_connection(auth_token=auth_token)
-    #
+
+    # Trigger UriTooLong error and check correct error thrown
     c = db.Container()
     c.extend([db.Record(id=i) for i in range(1000, 5000)])
     with pytest.raises(db.exceptions.TransactionError) as te: