Github user vanzin commented on the pull request:
https://github.com/apache/spark/pull/13163#issuecomment-220197965
I'm not really sure I understand what you're saying; but it should be
possible to write a unit test where you create a `SparkSubmitCommandBuilder` to
execute `--help` and it doesn't throw an exception like it does before this
fix. You don't need to check the output.
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