Test GCP/AWS Deployment with Pytest

[aktech]

Reference Issues or PRs

Effort for fixing: #1862

This is on top of: #1867 (That should be merged before this)
This creates a test matrix for cloud deployments (do and aws for now)

Successful runs: https://github.com/nebari-dev/nebari/actions/runs/5647583461

• Test GPU
• Preemptible, etc
• Moved all tests inside tests directory.
• Enable logging in pytest
• Misc..

What does this implement/fix?

Put a x in the boxes that apply

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds a feature)
• Breaking change (fix or feature that would cause existing features not to work as expected)
• Documentation Update
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no API changes)
• Build related changes
• Other (please describe):

Testing

• Did you test the pull request locally?
• Did you add new tests?

Any other comments?