Testing feature

[Muhammad-Faraz-Ali]

Before submitting a pull request, please make sure the following is done:

1. Fork the repository and create your branch from master.
2. Run yarn in the repository root.
3. If you've fixed a bug or added code that should be tested, add tests!
4. Ensure the test suite passes (yarn test).
5. Run yarn start to test your changes in the playground.
6. Update the readme is needed
7. Update the typescript definition is needed
8. Format your code with prettier (yarn prettier-all).
9. Make sure your code lints (yarn lint:fix).

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