@abstractmethod
    def press_button(self, x, y, button_name=LEFT_BUTTON):
Check that defaults are according to spec
dataset/ETHPy150Open F1ashhimself/UISoup/uisoup/interfaces/i_mouse.py/IMouse.press_button--crossover with--dataset/ETHPy150Open ellisonbg/altair/altair/tests/test_api.py/test_vl_spec_for_color__defaults