test(breadcrumb): refactor enzyme tests to react testing library

[tay1orjones]

Closes #10273

Changelog

Changed

• test(breadcrumb): refactor enzyme tests to react testing library

Testing / Reviewing

• Status checks should pass, test coverage should remain the same or better

[netlify]

✔️ Deploy Preview for carbon-react-next ready!

🔨 Explore the source changes: 0eb7acf

🔍 Inspect the deploy log: https://app.netlify.com/sites/carbon-react-next/deploys/61e839b6a269cb000871874f

😎 Browse the preview: https://deploy-preview-10300--carbon-react-next.netlify.app

[netlify]

✔️ Deploy Preview for carbon-elements ready!

🔨 Explore the source changes: 0eb7acf

🔍 Inspect the deploy log: https://app.netlify.com/sites/carbon-elements/deploys/61e839b69fbb6a0008a1c2c5

😎 Browse the preview: https://deploy-preview-10300--carbon-elements.netlify.app

[netlify]

✔️ Deploy Preview for carbon-components-react ready!
Built without sensitive environment variables

🔨 Explore the source changes: 0eb7acf

🔍 Inspect the deploy log: https://app.netlify.com/sites/carbon-components-react/deploys/61e839b6a2710b0008a26681

😎 Browse the preview: https://deploy-preview-10300--carbon-components-react.netlify.app