* Make default postprocessor empty string.
Default post when creating a job is now not set. This will cause the user to be prompted for a post instead
This PR also cleans up some unit tests to avoid loading from disk
* [pre-commit.ci] auto fixes from pre-commit.com hooks
for more information, see https://pre-commit.ci
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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
