test: multichain tests Appium migration

[davibroc]

Description

This PR took care of the following:

• Migrated Multichain API smoke tests from Detox to Appium (tests/smoke-appium/multichain/)
• Fixed wallet-invokeMethod.spec.ts and wallet-notify.spec.ts that were failing and disabled on Detox
• Rewrote MultichainTestDApp to use in-app WebView CDP helpers
• Added SmokeMultiChainAPI Appium CI jobs (Android + iOS)
• Removed old Detox Multichain jobs

Changelog

CHANGELOG entry:

Related issues

Fixes:

Manual testing steps

Feature: my feature name

  Scenario: user [verb for user action]
    Given [describe expected initial app state]

    When user [verb for user action]
    Then [describe expected outcome]

Screenshots/Recordings

Before

After

Pre-merge author checklist

• I've followed MetaMask Contributor Docs and MetaMask Mobile Coding Standards.
• I've completed the PR template to the best of my ability
• I've included tests if applicable
• I've documented my code using JSDoc format if applicable
• I've applied the right labels on the PR (see labeling guidelines). Not required for external contributors.

Performance checks (if applicable)

• I've tested on Android
  • Ideally on a mid-range device; emulator is acceptable
• I've tested with a power user scenario
  • Use these power-user SRPs to import wallets with many accounts and tokens
• I've instrumented key operations with Sentry traces for production performance metrics
  • See trace() for usage and addToken for an example

For performance guidelines and tooling, see the Performance Guide.

Pre-merge reviewer checklist

• I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

---

Note

Low Risk
Changes are confined to E2E/CI and test helpers; no production wallet or auth logic is modified.

Overview
Moves SmokeMultiChainAPI coverage from Detox E2E to Appium: new tests/smoke-appium/multichain/ specs (create/get/revoke session, wallet_invokeMethod, EIP-5792, wallet_sessionChanged, notify) and matching Android/iOS Appium workflow jobs (2-way split). Detox multichain-api-*-smoke jobs and tests/smoke/multichain/* specs are removed from the smoke rollup.

MultichainTestDApp is rewritten for Playwright/Appium: fixed localhost dapp on port 8093, Playwright login/browser flows, and CDP/WebView helpers instead of Detox WebView matchers. ChromeCdpHelpers gains MetaMask in-app WebView CDP (Android webview_devtools_remote, iOS context switching) for click/evaluate/poll on dapp DOM; dapp URL matching now treats localhost like the multichain test dapp title fallback.

wallet_notify Appium test is present but skipped on emulator until live mainnet block events or a mock fixture exist.

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[github-actions]

CLA Signature Action: All authors have signed the CLA. You may need to manually re-run the blocking PR check if it doesn't pass in a few minutes.

[metamask-ci]

PR template — items to address before "Ready for review"

Warnings — informational, address before merging:

• Related issues section is empty. Add Fixes: #123 / Closes: <URL> / Refs: <Jira key>, or write a short rationale after the colon.
• Manual testing steps still contain template content (the Gherkin example title or a [...] placeholder). Replace with real steps, or write N/A — <reason>.
• Screenshots/Recordings section is empty. Add an image/video for user-facing changes, logs/console output for non-user-facing changes, or write N/A if no evidence is applicable.

See docs/readme/ready-for-review.md for the full Definition of Ready for Review.

[github-actions]

🧪 Flaky unit test detection

✅ All previously detected unit test flakiness issues in this PR have been fixed.

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This check is informational only and does not block merging.

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Cursor Bugbot has reviewed your changes and found 1 potential issue.

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[github-actions]

🔍 Smart E2E Test Selection

• Selected E2E tags: SmokeMultiChainAPI, SmokeNetworkAbstractions, SmokeNetworkExpansion, SmokeMMConnect
• Selected Performance tags: None (no tests recommended)
• Risk Level: high
• AI Confidence: 92%

click to see 🤖 AI reasoning details

E2E Test Selection:
This PR is a significant migration of SmokeMultiChainAPI tests from Detox to Appium, with supporting infrastructure changes:

1. SmokeMultiChainAPI (primary): All changed spec files are tagged with SmokeMultiChainAPI. New Appium specs added in tests/smoke-appium/multichain/ (wallet-createSession, wallet-getSession, wallet-revokeSession, wallet-invokeMethod, wallet-invokeMethod-eip5792, wallet-notify, wallet-sessionChanged). Old Detox specs in tests/smoke/multichain/ deleted or renamed to .failing.ts. CI workflows updated to move SmokeMultiChainAPI from Detox (run-e2e-smoke-tests) to Appium (run-appium-smoke-tests). These new tests must be validated.

2. SmokeNetworkAbstractions and SmokeNetworkExpansion: Required by SmokeMultiChainAPI tag description — 'When selecting SmokeMultiChainAPI, also select SmokeNetworkAbstractions (permission UI) and SmokeNetworkExpansion (multi-chain provider).'

3. SmokeMMConnect: ChromeCdpHelpers.ts was modified with a port-matching fix (:8090 regex → dappUrl.includes('localhost')) that affects how the multichain dapp target is identified. The SmokeMMConnect test connection-multichain.spec.ts directly imports and uses ChromeCdpHelpers. Similarly, PlaywrightContextHelpers.ts has the same fix. These changes could affect MMConnect test behavior.

Infrastructure changes: The CI workflow changes (removing SmokeMultiChainAPI from Detox workflows, adding to Appium workflows) need to be validated by running the actual SmokeMultiChainAPI tests through the new Appium pipeline.

No performance impact: All changes are test infrastructure and test spec migrations — no app code was changed. No performance tests are needed.

Performance Test Selection:
All changes in this PR are test infrastructure: migrating SmokeMultiChainAPI specs from Detox to Appium, updating CI workflows, rewriting the MultichainTestDApp page object, and adding WebView CDP helpers. No app source code was modified. There is no performance impact on the app itself, so no performance tests are needed.

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud