fix ci

Status Job ID Name Coverage
  Test
failed #15933
nix.test

00:00:00

failed #15932
nix.test

00:00:00

 
Name Stage Failure
failed
nix.test Test There has been a runner system failure, please try again
Running with gitlab-runner 10.5.0 (v10.5.0)
on slave-desktop 9e437a3d
Using Shell executor...
ERROR: Job failed (system failure): Failed to start process: exec: "su": executable file not found in $PATH