Nothing
test_that("capitalize correctly capitalises strings", {
expect_equal(ptd_capitalise("hello world"), "Hello world")
expect_equal(ptd_capitalise("HELLO WORLD"), "HELLO WORLD")
expect_equal(ptd_capitalise("1hi World"), "1hi World")
})
test_that("titleCase correctly converts a string to title case", {
expect_equal(ptd_title_case("hello_world"), "Hello World")
})
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