test_that("defunct functions throw deprecation messages", {
  lifecycle::expect_deprecated(guide_axis_manual())
  lifecycle::expect_deprecated(guide_axis_truncated())
  lifecycle::expect_deprecated(guide_axis_color())
  lifecycle::expect_deprecated(guide_axis_colour())
  lifecycle::expect_deprecated(guide_axis_minor())
  lifecycle::expect_deprecated(guide_axis_nested())
  lifecycle::expect_deprecated(guide_axis_scalebar())
  lifecycle::expect_deprecated(guide_dendro())
  lifecycle::expect_deprecated(scale_x_dendrogram())
  lifecycle::expect_deprecated(scale_y_dendrogram())
  lifecycle::expect_defunct(ggsubset())
})