Refactoring Model Profile Test

[vibrantvarun]

Description

Refactoring Model Profile Tests

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[codecov-commenter]

Codecov Report

Merging #750 (fd4b667) into feature/extensions (71010ca) will decrease coverage by 0.08%.
The diff coverage is 4.87%.

@@                   Coverage Diff                    @@
##             feature/extensions     #750      +/-   ##
========================================================
- Coverage                 53.33%   53.25%   -0.09%     
- Complexity                 2658     2661       +3     
========================================================
  Files                       291      291              
  Lines                     16061    16097      +36     
  Branches                   1686     1689       +3     
========================================================
+ Hits                       8566     8572       +6     
- Misses                     6877     6908      +31     
+ Partials                    618      617       -1     

Flag	Coverage Δ
plugin	53.25% <4.87%> (-0.09%)	⬇️

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

Impacted Files	Coverage Δ
...va/org/opensearch/ad/AnomalyDetectorExtension.java	0.00% <0.00%> (ø)
...opensearch/ad/rest/RestValidateDetectorAction.java	0.00% <0.00%> (ø)
.../java/org/opensearch/ad/util/RestHandlerUtils.java	66.15% <100.00%> (+0.52%)	⬆️
...ava/org/opensearch/ad/model/TimeConfiguration.java	100.00% <0.00%> (ø)
...c/main/java/org/opensearch/ad/util/ParseUtils.java	60.57% <0.00%> (+0.14%)	⬆️
.../main/java/org/opensearch/ad/ml/CheckpointDao.java	70.19% <0.00%> (+0.64%)	⬆️
...ain/java/org/opensearch/ad/model/ModelProfile.java	68.75% <0.00%> (+2.08%)	⬆️