skip_if_not_installed("mlr3") skip_if_not_installed("rpart") skip_if_not_installed("partykit") skip_if_not_installed("ggparty") test_that("autoplot.LearnerRegrRpart", { learner = mlr3::lrn("regr.rpart", keep_model = TRUE)$train(mlr3::tsk("mtcars")) p = autoplot(learner) expect_true(is.ggplot(p)) expect_doppelganger("learner_regr.rpart", p) })