Nothing
context("ez_col")
test_that("ez_col works", {
expect_equal(ez_col(3), c("dodgerblue4", "olivedrab3", "mediumorchid4"))
expect_equal(ez_col(9), c("#104E8B", "#558D5E", "#9ACD32",
"#7A378B", "#EE5C42", "#FFB90F",
"#228B22", "#5CACEE", "#CD3333"))
expect_equal(length(ez_col(20)), 20)
})
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