message: Temporarily force mpi tests to run on Linux for testing
diff: @@ -90,7 +90,7 @@ pipeline {
  }
  }
  stage('Non-windows interface tests with MPI') {
  - agent { label 'osx' }
  + agent { label 'linux' }
  steps {
  setupCC("${env.MPICXX} -cxx=${env.CXX}")
  sh "echo STAN_MPI=true >> make/local"
  