def test_404_page(self):
        response = self.client.get('/impossiblepathtoneverexistinthisapp')

        assert_status_with_message(404, response, 'Error 404')
__init__(param: core.vistrail.module_param.ModuleParam,
dataset/ETHPy150Open nickjj/build-a-saas-app-with-flask/catwatch/tests/page/test_views.py/TestErrorPages.test_404_page--crossover with--dataset/ETHPy150Open VisTrails/VisTrails/vistrails/gui/modules/constant_configuration.py/PathChooserWidget.__init__