Nothing
test_that("Simple colours convert", {
expect_equal(colourName("red"), "red")
expect_equal(colourName("#FF0000"), "red")
expect_equal(colourName("#FF0101"), "red")
expect_equal(colourName("#00FF00"), "green")
expect_equal(colourName("#0000FF"), "blue")
expect_equal(colourName("#FFFFFF"), "white")
})
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