python: Support setting pytest args

[cache-missing]

Release Notes:

• Added support for setting pytest arguments

[notpeter]

Hi @cache-missing we require contributors to sign the Zed Contributor license agreement. Clabot has been acting up. Could you please sign the Zed CLA and comment here so we can verify? Thanks

[cache-missing]

Hi @cache-missing we require contributors to sign the Zed Contributor license agreement. Clabot has been acting up. Could you please sign the Zed CLA and comment here so we can verify? Thanks

done

[cla-bot[bot]]

Thank you for your pull request and welcome to our community. We could not parse the GitHub identity of the following contributors: cache. This is most likely caused by a git client misconfiguration; please make sure to:

1. check if your git client is configured with an email to sign commits git config --list | grep email
2. If not, set it up using git config --global user.email [email protected]
3. Make sure that the git commit email is configured in your GitHub account settings, see https://github.com/settings/emails

[SomeoneToIgnore]

No CLA signed ever, so closing this.