src/should.py: fix TestSet.status

Corrects bfe8517c.
2 jobs for dev in 1 second (queued for 1 second)
Status Job ID Name Coverage
  Unit
passed #1928
unit

00:00:00

 
  Demo
failed #1929
demo

00:00:00

 
Name Stage Failure
failed
demo Demo There is an unknown failure, please try again
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