test_that("use", {
expect_silent(check_train_opts_id("my_train_opts_id"))
expect_error(check_train_opts_id(c(1, 1)))
expect_error(check_train_opts_id(0))
expect_error(check_train_opts_id(-1))
expect_error(check_train_opts_id(""))
expect_error(check_train_opts_id(c()))
expect_error(check_train_opts_id(NA))
expect_error(check_train_opts_id(NULL))
expect_error(check_train_opts_id(Inf))
expect_error(check_train_opts_id(42))
expect_error(check_train_opts_id(3.14))
})
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