def METHOD_NAME(self):
    # Behavior: Item.resizable controls whether a component can resize
    # along the non-layout axis of its group. In a HGroup, resizing should
    # work only in the vertical direction.
    with reraise_exceptions(), create_ui(HResizeDialog()) as ui:
        (editor,) = ui.get_editors("txt")
        text = editor.control
        # vertical size should be large
        self.assertGreater(text.height(), _DIALOG_HEIGHT - 100)
        # horizontal size should be unchanged
        # ??? maybe not: some elements (e.g., the text field) have
        # 'Expanding' as their default behavior
        # self.assertLess(text.width(), _TXT_WIDTH+100)