refactor: add more test for ssh.go

[h0lyalg0rithm]

Proposed changes

Add tests to cover all code paths for ssh

Types of changes

What types of changes does your code introduce to the repo? Put an x in the boxes that apply

• New feature (non-breaking change which adds functionality)
• Bugfix (non-breaking change which fixes an issue)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices applies)

Checklist

Put an x in the boxes that apply. You can also fill these out after creating the PR. If you're unsure about any of them, don't hesitate to ask. We're here to help! This is simply a reminder of what we are going to look for before merging your code.

• I have signed the commit for DCO to be passed.
• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works (if appropriate)
• I have added necessary documentation (if appropriate)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 66.41%. Comparing base (e619226) to head (e4f8459).
Report is 6 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #451      +/-   ##
==========================================
+ Coverage   66.37%   66.41%   +0.04%     
==========================================
  Files          18       20       +2     
  Lines         797      804       +7     
==========================================
+ Hits          529      534       +5     
- Misses        233      234       +1     
- Partials       35       36       +1     

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