test(stepper): added unit test

[theJohnnyMe]

Describe pull-request

Added unit test for Stepper component

Issue Linking:

Choose one of the following options

• Jira: Add ticket number after CDEP-: CDEP-3042

How to test

1. Take a look at the variations tested
2. Check if the playwright test is passing (on your local or in PR)
3. Try to change something in index.html, like props - test should fail

Checklist before submission

• [x] I have added unit tests for my changes (if applicable)
• [x] All existing tests pass
• [ ] I have updated the documentation (if applicable)

[github-actions[bot]]

Playwright test results

 348 passed

Details

 348 tests across 106 suites
 48 seconds
 a195c88

[aws-amplify-eu-north-1[bot]]

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[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud