Oauth2 test implementation

* Oauth2: Prepared and automated the tests for the implementation of Oauth2.(RFC6749) + OIDC 2.0 specifications.

* Misc: Jenkins jobs for tests that monitors PROD environments and integrate the alerts to various mediums like slack, email, Pagerduty.

* Daily automated report generation from Elasticsearch for different services for various response codes.

Role, tools and technology

* Primary test owner for Oauth2 tests, PROD monitoring.

* API testing and automation using Python, pytest.

* Shell scripting, MySQL, curl, Jenkins, Kibana, Postman.