cli_arb: Do not terminate live assignment early

1 job for mapper-data-strobe in 30 seconds (queued for 1 second)
latest
Name Stage Failure
failed
vunit Build
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pass 30 of 31
fail 1 of 31
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Total time was 17.1 seconds
Elapsed time was 17.2 seconds
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Some failed!
ERROR: Job failed: exit code 1