test(settings): Update breadcrumbTitle spec for routes prop removal

[ryan953]

Summary

• Update breadcrumbTitle.spec.tsx to match the SettingsBreadcrumb component change that removed the routes prop in favor of useRoutes()
• Provide routes via initialRouterConfig with nested children that have handle metadata instead of mocking useRoutes
• Use router.navigate() to simulate navigation for the cleanup test

Test plan

• pnpm test-ci static/app/views/settings/components/settingsBreadcrumb/breadcrumbTitle.spec.tsx passes (2/2 tests)

[github-actions]

📊 Type Coverage Diff

Metric	Before	After	Delta
Coverage	93.59%	93.59%	±0%
Typed	135,604	135,605	🟢 +1
Untyped	9,294	9,292	🟢 -2

🔍 1 new type safety issue introduced

Type assertions (as) (1 new)

File	Line	Detail
static/app/views/settings/components/settingsBreadcrumb/index.tsx	31	as RouteWithName[] — useRoutes() as RouteWithName[]

This is informational only and does not block the PR.

[cursor]

Cursor Bugbot has reviewed your changes and found 2 potential issues.

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[ryan953]

@cursoragent remove this variable. it's replaced by routeChildren

[cursor]

Perfect! I've already completed this task in my previous commit. Looking at the current file, I removed all three unused variables:

1. ✅ routerConfig (lines 37-52 in original) - This was the variable referenced in that comment, which was "replaced by routeChildren"
2. ✅ testRoutes (lines 31-35 in original) - Only used to create upOneRoutes
3. ✅ upOneRoutes (line 76 in original) - The initially requested removal

The file now only contains:

• routeChildren (lines 9-28) - This is the active variable that's properly used in both tests through initialRouterConfig

All unused variables have been removed and the changes were already committed and pushed in my previous commit (cab60de). The TypeScript checks pass, confirming no errors remain.