Add verify stage

[nab0310]

This Pull Request is an extension of #59, adding a verify stage would help people who use docker to be able to use the scalatest-maven-plugin because it allows the post-integration test to run.

This is just a rough outline of what I think could be done. Obviously the file writing system is very crude but it was just my first draft. The Surefire plugin features a FailsafeSummaryXmlUtils class that provides utilities for file writing and reading that would provide a good solution to this problem.

[katrinsharp]

It's been sometime, so just wanted to see if it is still relevant.

[plinlor]

@cla-bot[bot] check

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[rondefreitas]

I'm running into a similar issue with docker tests. It would be useful to have this functionality

[cheeseng]

@nab0310 Really sorry for getting to this so late, I think this enhancement will be useful, though still in draft (it seems like the exception is always thrown in verify stage?), would you mind to sign the CLA?

Thanks.

[cheeseng]

@nab0310 It seems like we'll always fail in this verify stage, is it intended?

[cheeseng]

@cla-bot[bot] check

[cla-bot]

Thank you for your pull request and welcome to our community. We could not parse the GitHub identity of the following contributors: nb051436.
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@example.com
3. Make sure that the git commit email is configured in your GitHub account settings, see https://github.com/settings/emails

[cla-bot]

The cla-bot has been summoned, and re-checked this pull request!

[cheeseng]

Hi @nab0310 , we require contributors to sign our Contributor License Agreement, and we don't have yours on file. In order for us to review and merge your code, please access https://www.artima.com/cla/choose-type to sign our Contributor License Agreement. Your effort is highly appreciated. Thank you.