test_that("StepIcon() returns shiny.tag, correct name and value", {
  expect_true(inherits(StepIcon(), "shiny.tag"))
  expect_equal(environment(StepIcon()[["children"]][[2]])[["data"]][["name"]], "StepIcon")
  expect_equal(environment(StepIcon("Test")[["children"]][[2]])[["data"]][["props"]][["value"]][["children"]], "Test")
})