added try() to calculate() in model$check so that tests where R Cholesky fails do not derail test-mcmc
added try() to calculate()
in model$check so that tests where R Cholesky fails
do not derail test-mcmc

NLMichaud/nimble,nxdao2000/nimble,NLMichaud/nimble,NLMichaud/nimble,nimble-dev/nimble,nxdao2000/nimble,nimble-dev/nimble,nxdao2000/nimble,nimble-dev/nimble,nxdao2000/nimble,nimble-dev/nimble,nimble-dev/nimble,NLMichaud/nimble