Nothing
test_that("add_usrdefvar works", {
sp0 <- x13_spec_default$regarima
sp1 <- add_usrdefvar(sp0, name = c("A", "B", "C"))
expect_length(sp1$regression$users, 3L)
expect_identical(sp1$regression$users[[1L]]$name, "r.A")
expect_identical(sp1$regression$users[[3L]]$id, "r.C")
})
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