SecurityCenter -> Security refactor - ATP, Settings tests

[eliagrady]

Description

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• Please add REST spec PR link to the SDK PR
• I have read the contribution guidelines.
• The pull request does not introduce breaking changes.

General Guidelines

• Title of the pull request is clear and informative.
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• Pull request includes test coverage for the included changes.

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• If an SDK is being regenerated based on a new swagger spec, a link to the pull request containing these swagger spec changes has been included above.
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[dsgouda]

Changes requested offline

[dsgouda]

@eliagrady please link the related REST spec PR

[eliagrady]

Spec PR Link

[shahabhijeet]

@eliagrady as discussed offline, I am closing this PR.