mongodb_exporter: Add acceptance tests

[bastelfreak]

Pull Request (PR) description

This Pull Request (PR) fixes the following issues

[alexjfisher]

Related to #366

[olivierHa]

Hello,

What about this PR ?
mongodb exporter version is now "0.11.0" and is still being extracted to /opt directly.

Applying the same modification as the postgresql exporter is working (c

Do you want a PR with those modification (copypasting ?)

Regards

[bastelfreak]

Hi @olivierHa, a PR if an acceptance test would be most welcome!

[vox-pupuli-tasks]

Dear @bastelfreak, thanks for the PR!

This is Vox Pupuli Tasks, your friendly Vox Pupuli Github Bot. I noticed that your pull request has CI failures. Can you please have a look at the failing CI jobs?
If you need any help, you can reach out to us on our IRC channel voxpupuli on Freenode or our Slack channel voxpupuli at slack.puppet.com.
You can find my sourcecode at voxpupuli/vox-pupuli-tasks

[vox-pupuli-tasks]

Dear @bastelfreak, thanks for the PR!

This is Vox Pupuli Tasks, your friendly Vox Pupuli GitHub Bot. I noticed that your pull request contains merge conflict. Can you please rebase?

You can find my sourcecode at voxpupuli/vox-pupuli-tasks

[vox-pupuli-tasks]

Dear @bastelfreak, thanks for the PR!

This is Vox Pupuli Tasks, your friendly Vox Pupuli Github Bot. I noticed that your pull request has CI failures. Can you please have a look at the failing CI jobs?
If you need any help, you can reach out to us on our IRC channel voxpupuli on Freenode or our Slack channel voxpupuli at slack.puppet.com.
You can find my sourcecode at voxpupuli/vox-pupuli-tasks

[kuldazbraslav]

@bastelfreak mongodb_exporter needs to connect to a mongo instance when it starts up. I used simple mongo in docker when I tested it, is it possible to use in the acceptance test too?