Fix for the 2 remaining OIDC redirect failures: after login, the
page lands on Dashboard. When a test calls page.goto('/setup/...'),
Angular sometimes redirects back to Dashboard because the auth guard
hasn't settled.
Fix: After loginAndGetToken, navigate to /setup/integrations and
wait for [role="tab"] to render. This:
1. Settles the OIDC auth guard (validates token, caches auth state)
2. Lazy-loads the integration module chunk
3. Primes Angular's router with the /setup/ route tree
Subsequent page.goto() calls from tests will work reliably because
Angular already has auth state and the lazy chunk is cached.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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