test_that("plot methods", {
  skip_if_not_installed("see")
  skip_if_not_installed("ggplot2")
  expect_error(plot(d <- cohens_d(mpg ~ am, data = mtcars)), NA)
  expect_s3_class(plot(d), "ggplot")

  expect_error(plot(eqi <- equivalence_test(d)), NA)
  expect_s3_class(plot(eqi), "ggplot")
})
