Nothing

```
context('b_sim')
test_that('b_sim output validity', {
set.seed(100)
# Linear model
data('Prestige', package = 'car')
m1 <- lm(prestige ~ education + type, data = Prestige)
m1_sims <- b_sim(m1)
# Manually supplied coefficient means and covariance matrix
coefs <- coef(m1)
vcov_matrix <- vcov(m1)
prestige_sims_manual <- b_sim(mu = coefs, Sigma = vcov_matrix)
# Preference for obj
# Survival model (no intercept term)
library(survival)
test1 <- list(time = c(4,3,1,1,2,2,3),
status = c(1,1,1,0,1,1,0),
x = c(0,2,1,1,1,0,0),
sex = c(0,0,0,0,1,1,1))
# Fit a stratified model
m_coxph <- coxph(Surv(time, status) ~ x + strata(sex), test1)
m_coxph <- sim_coxph <- b_sim(m_coxph)
expect_match(names(m1_sims)[[1]], 'intercept_')
expect_match(names(prestige_sims_manual)[[1]], 'intercept_')
expect_message(b_sim(obj = m1, mu = coefs, Sigma = vcov_matrix),
'obj used rather than mu and/or Sigma')
expect_match(names(sim_coxph)[[1]], 'x')
})
```

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