use fake mpirun

1 job for gitlab-ci in 11 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
failed #10437
mistral
build

00:00:11

 
Name Stage Failure
failed
build Build
real-time priority              (-r) 0
stack size (kbytes, -s) 8192
cpu time (seconds, -t) unlimited
max user processes (-u) unlimited
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
$ sbatch --help
/usr/bin/bash: line 119: sbatch: command not found
ERROR: Job failed: exit code 1