Implement E2E testing #91
Description
Describe the solution you'd like:
At the moment, new PRs or changes do not trigger many validations. In order to improve overall code quality, it is necessary to implement E2E testing.
Why do you want this feature:
E2E testing can accelerate integration of new code, including PRs.
Anything else you would like to add:
[Miscellaneous information that will assist in solving the issue.]