Migrate html block test case to Playwright

[pooja-muchandikar]

What?

Part of #38851.

Migrate html-test.js to its Playwright version.

Why?

Part of #38851.

How?

See MIGRATION.md for migration steps.

Testing Instructions

Run npm run test-e2e:playwright test/e2e/specs/editor/blocks/html.spec.js

[github-actions]

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[pooja-muchandikar]

Hi @kevin940726

The CI seems to be failing but the error is on the test case which I didn't even alter. test/e2e/specs/widgets/customizing-widgets.spec.js

Can you please help me reviewing this PR?

Thanks!

[kevin940726]

Thanks! The error seems to come from a flaky test. I think we can ignore it :)

[pooja-muchandikar]

Hi @kevin940726,

The feedbacks are addressed, please take a look.

Thanks!

[kevin940726]

Looks great! Thank you again!

Don't mind me, I'm just adding some nitpicking line breaks 😆.

[kevin940726]

Oops, I didn't notice that this is a duplicate of #41127. I think we can still merge this one though, but it'd be nice to check out if the work has already been started by someone next time :)

[pooja-muchandikar]

Oh no 😒 sorry I didn't notice that. I had created PR few days back #40843 but unfortunately I had to close it yesterday and create new one.

I will take care of this next time 😐

[github-actions]

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