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Known E2E flakiness patterns and anti-patterns
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E2E testing guidelines
Add a new EVM network to the @metamask/bridge-controller package in the MetaMask/core monorepo. Use when a task asks to register an EVM chain for Swaps or Bridge, extend ALLOWED_BRIDGE_CHAIN_IDS or DEFAULT_CHAIN_RANKING, add bridge chain constants and display names, define the chain's default swaps token, or expose a new bridge ChainId enum member.
Add a new EVM network to the unified Swaps and Bridge flow in MetaMask/metamask-mobile. Use when a task asks to consume a newly supported bridge-controller chain, add a Mobile bridge network label, configure its default destination token or stablecoin slippage, update bridgeConfigV2 rollout requirements, or validate that a new EVM network appears in Mobile's source and destination network pickers.
Wire a new or existing controller — whether imported from a `@metamask/*-controller` npm package or defined locally in the repo — into the MetaMask Mobile Engine or the MetaMask Extension background. Use this skill when: adding a controller to Engine or to the extension's messenger-client init, creating a controller init function or messenger, delegating actions/events between controllers, adding a controller to EngineState/Engine.context or to MESSENGER_FACTORIES and the MessengerClient union, or debugging a controller whose state never reaches Redux/the UI or resets on restart.
Detect, prevent, and fix flaky Jest unit tests in MetaMask Mobile before they reach CI. Use this skill when: reviewing a PR diff or changed test files for flakiness risk, fixing an intermittently failing Jest test, reproducing a flaky test locally, or auditing GitHub Actions history to rank historically flaky unit tests by failure rate.
Interactively break a perps product requirement into split, dispatch-ready technical tickets across MetaMask Core, its release, Mobile, and Extension. Use when a product manager (or a codebase-aware Claude acting for one) has a perps bug or feature and needs engineering-grade tickets, correctly routed now that @metamask/perps-controller is the Core source of truth. Triages where the change actually lives, emits only the applicable layer tickets with dependency links, and enforces token-efficient, signal-over-noise tickets agents can act on directly.
Basé sur la classification professionnelle SOC
| name | e2e-flakiness-patterns |
| description | Known E2E flakiness patterns and anti-patterns |
