custom eslint rule for e2e test length

[fungairino]

This rule will encourage us to break up long tests using refactored page methods or test.step

Primary reviewer @grahamlangford

[github-actions]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.43%. Comparing base (6d95047) to head (235163d).
Report is 36 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8431      +/-   ##
==========================================
- Coverage   73.47%   73.43%   -0.05%     
==========================================
  Files        1334     1352      +18     
  Lines       41259    41518     +259     
  Branches     7686     7772      +86     
==========================================
+ Hits        30316    30487     +171     
- Misses      10943    11031      +88     

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[github-actions]

Playwright test results - MV2

 38 passed
 4 flaky
 8 skipped

Details

 Open report ↗︎
 50 tests across 18 suites
 11 minutes, 12 seconds
 235163d

Flaky tests

chromeSetup › auth.setup.ts › authenticate
chrome › tests/extensionConsoleActivation.spec.ts › can activate a mod with a database
edge › tests/extensionConsoleActivation.spec.ts › can activate a mod with a database
edge › tests/pageEditor/saveMod.spec.ts › can save a standalone trigger mod

Skipped tests

chrome › tests/extensionConsoleActivation.spec.ts › can activate a mod with built-in integration
edge › tests/extensionConsoleActivation.spec.ts › can activate a mod with built-in integration
chrome › tests/runtime/sidebarController.spec.ts › sidebar controller › shows focus dialog in top-level frame
edge › tests/runtime/sidebarController.spec.ts › sidebar controller › shows focus dialog in top-level frame
chrome › tests/runtime/sidebarNavigation.spec.ts › sidebar mod panels are persistent during navigation
chrome › tests/runtime/sidebarNavigation.spec.ts › sidebar form and temporary panels are unavailable after navigation
edge › tests/runtime/sidebarNavigation.spec.ts › sidebar mod panels are persistent during navigation
edge › tests/runtime/sidebarNavigation.spec.ts › sidebar form and temporary panels are unavailable after navigation

[github-actions]

Playwright test results - MV3

 48 passed
 2 flaky

Details

 Open report ↗︎
 50 tests across 18 suites
 14 minutes, 8 seconds
 235163d

Flaky tests

chrome › tests/regressions/doNotCloseSidebarOnPageEditorSave.spec.ts › #8104: Do not automatically close the sidebar when saving in the Page Editor
edge › tests/regressions/doNotCloseSidebarOnPageEditorSave.spec.ts › #8104: Do not automatically close the sidebar when saving in the Page Editor