5 add unit tests to renderblock

[samuelecalamita]

Fix #5

• Before: https://main--xwalk-boilerplate--diva-e-aem.hlx.live
• After: https://5-add-unit-tests-to-renderblock--xwalk-boilerplate--diva-e-aem.hlx.live

Checklist:

• [ ] Tests added/passed
• [ ] Documentation updated
• [ ] PSI Checks passed
• [ ] Test environment works as expected
• [ ] New Block/Feature/Component works on test environment
• [ ] Code reviewed

[aem-code-sync[bot]]

Hello, I'm the AEM Code Sync Bot and I will run some actions to deploy your branch and validate page speed. In case there are problems, just click a checkbox below to rerun the respective action.

• [ ] Re-run PSI checks
• [ ] Re-sync branch

Commits

* [c7b4c4c](https://github.com/diva-e-aem/xwalk-boilerplate/commit/c7b4c4c172b55701f62aa771f6c5c4e417e0bde2) :white_check_mark: (latest) * [90f265d](https://github.com/diva-e-aem/xwalk-boilerplate/commit/90f265d362df9eb35b92fe36fab706080cd697ec) :white_check_mark: * [2f8ca28](https://github.com/diva-e-aem/xwalk-boilerplate/commit/2f8ca2898385fbd5c98cd876525dc9445751a9c8) :white_check_mark: * [1184d81](https://github.com/diva-e-aem/xwalk-boilerplate/commit/1184d815df8ef188da560ae8bce6c33eb09c2547) :white_check_mark: * [ffc6d8a](https://github.com/diva-e-aem/xwalk-boilerplate/commit/ffc6d8acdf9e9da79adf7420b80f39bff0de796e) :white_check_mark: * [91bc81c](https://github.com/diva-e-aem/xwalk-boilerplate/commit/91bc81ca20f507e1201bee2e64e2743b21987233) :white_check_mark: * [21b76d5](https://github.com/diva-e-aem/xwalk-boilerplate/commit/21b76d5e12a665f2f92793a699c3b52c5732caa1) :white_check_mark: * [8235a8b](https://github.com/diva-e-aem/xwalk-boilerplate/commit/8235a8be0455cc3c4ed5d6d6a570244be1f8b3e5) :x: * [e7452dc](https://github.com/diva-e-aem/xwalk-boilerplate/commit/e7452dc0eac19892cdec7c78fd7e7e3993dce394) :x: * [4e62b55](https://github.com/diva-e-aem/xwalk-boilerplate/commit/4e62b552b81bb738d9e4d81d996cee11b660040d) :x: * [625b5dc](https://github.com/diva-e-aem/xwalk-boilerplate/commit/625b5dcb49765568077acece74a35adc4893d0c7) :x:

[aem-code-sync[bot]]

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