[AWS SageMaker] Add more unit tests

[akartsky]

Added more tests for following components :
Deploy (98% coverage)
Ground_truth (98% coverage)
Workteam (96% coverage)
Model (97% coverage)
Batch Transform (98% coverage)

#3782

====================================================================================== 94 passed, 3 warnings in 1.67s ======================================================================================
Name                                                      Stmts   Miss  Cover   Missing
---------------------------------------------------------------------------------------
/app/batch_transform/src/batch_transform.py                  51      1    98%   75
/app/common/_utils.py                                       567     31    95%   62, 73-83, 88-92, 693, 710, 714, 724, 727, 738-742, 804-805, 816-817, 821-824, 834, 870, 873-874
/app/deploy/src/deploy.py                                    45      1    98%   67
/app/ground_truth/src/ground_truth.py                        54      1    98%   76
/app/hyperparameter_tuning/src/hyperparameter_tuning.py      67      1    99%   93
/app/model/src/create_model.py                               32      1    97%   54
/app/train/src/train.py                                      52      1    98%   80
/app/workteam/src/workteam.py                                27      1    96%   49
---------------------------------------------------------------------------------------
TOTAL                                                       895     38    96%

These tests check : (for 1 inout)

1. Argument parsing is proper
2. main() function is proper
3. emulate boto3 client and verify the output

These things can be done more extensively to verify every combination of input

[kubeflow-bot]

This change is 

[goswamig]

LGTM

[goswamig]

why do we need this change with line 77 ?

[akartsky]

in main, parse_args() automatically takes argv input if we don't specify anything.
But when we mock the function it doesn’t.

So we have to explicitly specify the parameter for unit tests to run

[akartsky]

/ok-to-test

[akartsky]

/retest

[RedbackThomson]

Could you please run these with the automated unit and integration test CodeBuild jobs to ensure they all still pass successfully? Otherwise I think I'm happy for this to be merged.

[akartsky]

Could you please run these with the automated unit and integration test CodeBuild jobs to ensure they all still pass successfully? Otherwise I think I'm happy for this to be merged.

will do 👍🏻

[RedbackThomson]

/approve
/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

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[akartsky]

/retest

[akartsky]

/retest

[akartsky]

/test tide

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[akartsky]

/retest