* test: added testcases of redux, selector and api
* refactor: fixe recommanded issue and improve code cov
* refactor: added cases for filter statuses
* refactor: updated test description
* refactor: add common method of mock data for learner and post
* refactor: code and moved test utils in learners folder
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Co-authored-by: sundasnoreen12 <sundasnoreen12@ggmail.com>
Co-authored-by: Awais Ansari <awais.ansari63@gmail.com>