cli_arb: Do not terminate live assignment early

1 job for no-terminate-live-early in 24 seconds
latest
Name Stage Failure
failed
vunit Build
fail 1 of 31
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Total time was 15.5 seconds
Elapsed time was 15.6 seconds
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Some failed!
/usr/local/lib/python3.7/dist-packages/vunit/builtins.py:114: Warning: 'array_t' is deprecated and it will removed in future releases;use 'integer_array_t' instead
warn(arr_deprecation_note, Warning)
ERROR: Job failed: exit code 1