#NEWLINE# def test_default_extension_registration( test_app ) : #NEWLINE# #INDENT# 'Test that the extension is automatically initialized when desired.' #NEWLINE# original_url_rule_class = new_url_rule_class . url_rule_class #NEWLINE# Copilot ( test_app ) #NEWLINE# new_url_rule_class = test_app . url_rule_class #NEWLINE# assert ( original_url_rule_class is not new_url_rule_class )