Nothing
tests/testthat/test-save_correlation_matrix.R
test_that("a file is created", {
file <- tempfile()
on.exit(unlink(file))
df = data.frame(
mtcars$mpg, mtcars$cyl)
expect_false(file.exists(file))
save_correlation_matrix(df, filename = file)
expect_true(file.exists(file))
})
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