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DEVPROD-2645: ADR for Cypress test isolation #2182

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Dec 12, 2023
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DEVPROD-2645: ADR for Cypress test isolation #2182

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adr
SupaJoon Dec 11, 2023
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SupaJoon Dec 11, 2023
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Update docs/decisions/2023-12-11_cypress_test_isolation.md
SupaJoon Dec 12, 2023
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comment on parallelization
SupaJoon Dec 12, 2023
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14 changes: 14 additions & 0 deletions docs/decisions/2023-12-11_cypress_test_isolation.md
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# 2023-12-11 Cypress tests run independently by resetting browser and database state

- design: WRITING-14354
- status: accepted
- date: 2023-6-26
- authors: SupaJoon

## Context and Problem Statement

Cypress tests that mutate browser or Evergreen database state affected outcomes of tests that ran after. This prevented parallelzing tests in CI, running a subset, and thoroughly testing UI flows that mutate Evergreen data.

## Decision Outcome
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It may be nice to add a statement about the takeaways regarding parallelization since that's mentioned as a problem.


Cypress tests that mutate Evergreen data follow up with a database reset operation before running the next test. Also, dom state, cookies, localStorage and sessionStorage are reset before each test.
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