test: e2e tests for autoCsp

[aaronshim]

PR Checklist

Please check to confirm your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/angular/angular-cli/blob/main/CONTRIBUTING.md#-commit-message-guidelines
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Documentation content changes
• Other... Please describe: E2E tests

What is the current behavior?

No e2e tests for #28663

Issue Number: N/A

What is the new behavior?

e2e tests for #28663

Does this PR introduce a breaking change?

• Yes
• No

Other information

[dgp1130]

Just a few minor suggestions, hopefully @clydin can take a quick look once he's back just to make sure we're restricting the test to esbuild correctly.

[dgp1130]

LGTM, I wish we had a better mechanism for serving the built page and running the browser, but given the current state of our e2e infra I don't think we have a better option which doesn't pull on a lot of other complexity. Any concerns here @clydin?

[jkrems]

I assume target: patch or target: minor are both equally fine for this change?

[dgp1130]

Should be patch, this is released on 19.0.0.

[jkrems]

The changes were merged into the following branches: main, 19.0.x

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