* feat: include access serializer into mobile info api view
* test: add tests for serializer and view methods
* test: move tests to common directory and update test case
* fix: cr fixes and use snake case for functions
* test: fix additional get call assertion
* feat: add required course access messages to mobile endpoint
* test: [AXM-229] Improve test coverage
* style: [AXM-229] Try to fix linters
* fix: remove redundant comment
* refactor: change names for the test files
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Co-authored-by: KyryloKireiev <kirillkireev888@gmail.com>
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