fix: test isolation config validation

[emilyrohrbough]

• Closes Incorrect Configuration error with testIsolation setting when experimentalSessionAndOrigin is true #24497

User facing changelog

Fix testIsolation configuration validation to allow configuration updates without restarting Cypress. Fixes #24497.

Steps to test

Open project with experimentalSessionAndOrigin=true. Modify the configuration file and see error. (Example in issue).

How has the user experience changed?

Able to update and/all configuration in their cypress.config.js file and it successfully reflects in the App.

PR Tasks

• [n/a] Have tests been added/updated?
• Has the original issue (or this PR, if no issue exists) been tagged with a release in ZenHub? (user-facing changes only)
• [n/a] Has a PR for user-facing changes been opened in cypress-documentation?
• [n/a] Have API changes been updated in the type definitions?

[cypress-bot]

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[cypress]

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Test summary

9091 • 0 • 1443 • 0 • 8

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Run details

Project	cypress
Status	Passed
Commit	3c44cab
Started	Nov 9, 2022 2:24 PM
Ended	Nov 9, 2022 2:41 PM
Duration	16:44 💡
OS	Linux Debian -
Browser	Multiple

View run in Cypress Dashboard ➡️

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Flakiness

	user_agent_override.cy.ts		1
1	user agent override > persists modified user agent after cy.go
	cookie_behavior.cy.ts		4
1	... > same site / cross origin > XMLHttpRequest > sets cookie on same-site request if withCredentials is true, and attaches to same-site request if withCredentials is true
2	... > same site / cross origin > fetch > sets same-site cookies if "include" credentials option is specified from request, but does not attach same-site cookies to request by default (same-origin)
3	... > same site / cross origin > XMLHttpRequest > sets cookie on same-site request if withCredentials is true, and attaches to same-site request if withCredentials is true
4	... > same site / cross origin > fetch > sets same-site cookies if "include" credentials option is specified from request, but does not attach same-site cookies to request by default (same-origin)
This comment includes only the first 5 flaky tests. See all 8 flaky tests in the Cypress Dashboard.

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[skjnldsv]

@emilyrohrbough is this going to be backported to 10.x.x ? :)
Thanks for fixing this! 🙇‍♀️

EDIT: it's in 11.0.1