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