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Liam DeBeasi 093c671e3e test(angular): remove routing waits in tests (#28532)
Issue number: N/A

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## What is the current behavior?
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Our Angular E2E tests are brittle because they rely on arbitrary
`cy.wait` calls to account for asynchronous routing. This leads to flaky
tests on CI and seemingly random test failures when we make adjustments
to the Ionic Anguar routing integration (see:
https://github.com/ionic-team/ionic-framework/pull/28188)

Additionally, our test execution for the navigation tests is quite slow
because transitions are enabled. As a result, we need to wait hundreds
of ms per test just for the transitions to finish.

## What is the new behavior?
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this PR. -->

- Updated the `testStack` command to use a new `getStack` [Cypress
query](https://docs.cypress.io/api/cypress-api/custom-queries). These
queries come with automatic retrying built-in. By leveraging this query
in the `testStack` command, we can avoid the arbitrary waits.
- Added `ionic:_testing=true` query strings to the navigation tests.
This causes Ionic to disable any transitions so the tests execute
faster.
- Removed most of the arbitrary `cy.wait` calls. I kept the swipe to go
back `cy.wait` -- I wasn't quite sure how to reduce flakiness on that
one.

## Does this introduce a breaking change?

- [ ] Yes
- [x] No

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and migration path for existing applications below. -->


## Other information

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screenshots of how the component looks before and after the change. -->
2023-11-14 23:04:09 +00:00
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