def dock_widget(self):
        for child in reversed(self.children):
            if isinstance(child, Container):
                return child
Additional verification that test produces a warning
dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/widgets/dock_item.py/DockItem.dock_widget--crossover with--dataset/ETHPy150Open openstack/git-upstream/git_upstream/tests/commands/import/test_import.py/TestImportCommand._verify_basic_additional_missed