[ADD] Showing error when command is not found

3 jobs for command_scheduler in 1 minute and 49 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build
passed #180823
build-test

00:00:34

 
  Unit
passed #180824
unit-test

00:00:35

 
  Test
failed #180825
tesh-tester

00:00:39

 
Name Stage Failure
failed
tesh-tester Test
bar baz
------------------------------------------------
Expected output:
------------------------------------------------
foo
bar baz
------------------------------------------------
ERROR outputs do not match.
Cleaning up file based variables
ERROR: Job failed: exit code 1