test: adding tests

[jjmachan]

Description

Motivation and Context

How Has This Been Tested?

Checklist:

• My code follows the bentoctl code style, both make format and
  make lint script have passed
• My change reduces project test coverage and requires unit tests to be added
• I have added unit tests covering my code change
• My change requires a change to the documentation
• I have updated the documentation accordingly

[codecov]

Codecov Report

Merging #119 (ed7fdcd) into main (67f51c5) will increase coverage by 34.97%.
The diff coverage is 91.66%.

@@             Coverage Diff             @@
##             main     #119       +/-   ##
===========================================
+ Coverage   38.14%   73.12%   +34.97%     
===========================================
  Files          16       16               
  Lines         894      878       -16     
===========================================
+ Hits          341      642      +301     
+ Misses        553      236      -317     

Flag	Coverage Δ
unit-tests	73.12% <91.66%> (+34.97%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
bentoctl/deployment_config.py	66.66% <ø> (+3.23%)	⬆️
bentoctl/cli/interactive.py	91.30% <80.00%> (+91.30%)	⬆️
bentoctl/cli/__init__.py	86.90% <100.00%> (+86.90%)	⬆️
bentoctl/docker_utils.py	20.00% <0.00%> (+20.00%)	⬆️
bentoctl/utils.py	73.68% <0.00%> (+36.84%)	⬆️
bentoctl/cli/operator_management.py	40.27% <0.00%> (+40.27%)	⬆️
bentoctl/cli/helper_scripts.py	45.00% <0.00%> (+45.00%)	⬆️
bentoctl/console.py	92.30% <0.00%> (+61.53%)	⬆️
... and 1 more

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[jjmachan]

Merging this in. Looking forward to pairing up sometime @yubozhao and getting it to the 80+ coverage mark