Add tests

[davorrunje]

Description

Improves cove coverage.

Type of change

• Tests

Checklist

• I have conducted a self-review of my own code

[codecov]

Codecov Report

Attention: Patch coverage is 72.72727% with 3 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
fastagency/cli/cli.py	50.00%	2 Missing and 1 partial ⚠️

Files with missing lines	Coverage Δ
fastagency/cli/discover.py	88.42% <ø> (+15.78%)	⬆️
fastagency/exceptions.py	100.00% <100.00%> (ø)
fastagency/studio/models/llms/together.py	100.00% <ø> (ø)
fastagency/ui/mesop/base.py	56.81% <100.00%> (+18.29%)	⬆️
fastagency/cli/cli.py	70.27% <50.00%> (-7.15%)	⬇️