```
library(testthat)
context("Sampler")
test_that("lfmm_sampler", {
dat <- lfmm_sampler(n = 100, p = 1000, K = 3,
outlier.prop = 0.1,
cs = c(0.8),
sigma = 0.2,
B.sd = 1.0,
U.sd = 1.0,
V.sd = 1.0)
expect_equal(dim(dat$Y), c(100, 1000))
expect_equal(dim(dat$X), c(100, 1))
expect_equal(dim(dat$B), c(1000, 1))
expect_equal(dim(dat$U), c(100, 3))
expect_equal(dim(dat$V), c(1000, 3))
})
```

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