dataconnect(test): AuthIntegrationTest.kt: added realtime query subscription tests

[dconeybe]

This PR introduces integration tests for data connect's real-time query subscriptions for validating behavior across different authentication states. To support these tests, new authenticated query and mutation operations are added to the real-time test schema, and client wrapper properties are exposed in the generated RealtimeConnector class.

Highlights

• Real-time Subscription Integration Tests: Added four comprehensive integration tests in AuthIntegrationTest.kt to verify that real-time query subscriptions correctly enforce authorization rules, successfully receive streaming updates when authenticated, and raise a FirebaseUserChangedException when user sign-in or sign-out events occur during an active subscription.
• Schema and Generated Client Additions: Updated realtime_ops.gql to define RealtimeString_Insert_Auth and RealtimeString_GetByKey_Auth with anonymous user authorization level. Exposed corresponding insertStringAuth and getStringByKeyAuth methods in the generated RealtimeConnector class, along with new queryRef convenience overloads.
• Authentication Test Helper Improvements: Refactored the signIn and signOut helper methods in AuthIntegrationTest.kt to dynamically extract the FirebaseAuth instance from instrumentation arguments rather than relying on a hardcoded instance, and introduced overloaded helpers accepting PersonSchema to simplify test code.

Changelog

• realtime_ops.gql
  • Added RealtimeString_Insert_Auth mutation and RealtimeString_GetByKey_Auth query, both restricted to the USER_ANON authorization level.
• RealtimeConnector.kt
  • Exposed insertStringAuth (InsertStringMutationAuth) and getStringByKeyAuth (GetStringByKeyQueryAuth) properties to support authenticated client calls.
  • Added queryRef helper overloads taking String and UUID to streamline querying by ID.
• AuthIntegrationTest.kt
  • Added realtimeQuerySubscriptionUnauthenticated, realtimeQuerySubscriptionAuthenticated, realtimeQuerySubscriptionErrorsOnSignIn, and realtimeQuerySubscriptionErrorsOnSignOut test cases.
  • Refactored signIn and signOut helpers to dynamically retrieve the FirebaseAuth instance for the given Firebase App using instrumentation arguments.
  • Added signIn and signOut helper overloads taking a PersonSchema parameter.

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[dconeybe]

/gemini review

[gemini-code-assist]

Code Review

This pull request introduces authenticated operations for realtime queries and mutations, along with comprehensive integration tests verifying subscription behavior under different authentication states (unauthenticated, authenticated, and user changes). The reviewer feedback suggests adding convenience overloads to the newly introduced GetStringByKeyQueryAuth and InsertStringMutationAuth classes to maintain consistency with existing query and mutation helpers.

[github-actions]

📝 PRs merging into main branch

Our main branch should always be in a releasable state. If you are working on a larger change, or if you don't want this change to see the light of the day just yet, consider using a feature branch first, and only merge into the main branch when the code complete and ready to be released.

[stephenarosaj]

LGTM