test: update mochaEvent snapshots to be auto-generated

[mschile]

Additional details

Updated the packages/app mochaEvent snapshots to be auto-generated instead of requiring them to be manually updated.

• Setting the CYPRESS_SNAPSHOT_UPDATE env variable or running yarn cypress:run:e2e:update:snapshots from the packages/app directory will update the snapshots
• Fixed some flake we were receiving due to multiple mocha:start events being sent for cy-in-cy tests
• The snapshots are now stored in a /snapshots folder

Steps to test

Verified the new .json files are equivalent to the old snapshot files

How has the user experience changed?

PR Tasks

• Have tests been added/updated?
• [na] Has a PR for user-facing changes been opened in cypress-documentation?
• [na] Have API changes been updated in the type definitions?

[cypress]

4 flaky tests on run #52161 ↗︎

0

5307

136

0

4

Details:

Merge branch 'develop' into mschile/mocha_events_snapshots
Project: cypress	Commit: 1f1b008623
Status: Passed	Duration: 12:53 💡
Started: Nov 6, 2023 9:01 PM	Ended: Nov 6, 2023 9:14 PM

  e2e/origin/commands/assertions.cy.ts • 1 flaky test • 5x-driver-firefox

View Output Video

Test		Artifacts
cy.origin assertions > #consoleProps > .should() and .and()		Output

  cypress/cypress.cy.js • 3 flaky tests • 5x-driver-firefox

View Output Video

Test		Artifacts
... > correctly returns currentRetry		Output
... > correctly returns currentRetry		Output
... > correctly returns currentRetry		Output

Review all test suite changes for PR #28224 ↗︎

[chrisbreiding]

This is a great improvement 💯

[cypress-bot]

Released in 13.5.0.

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