Fix broken tests

[shrey150]

Why

The current implementation has issues with asyncio test loops and the ExtractResult return value in the extract handler. Additionally, there are inconsistencies in accessing page properties and test failures in the act integration tests.

What Changed

• Added asyncio test loop configuration in pytest.ini to use session scope for better performance
• Fixed ExtractResult return value in extract_handler.py to return the full result object
• Removed redundant event_loop fixture from conftest.py as it's now handled by pytest.ini settings
• Updated page property access in tests from stagehand.page to stagehand._page to match implementation
• Fixed act integration test by updating the selector text and properly accessing extract result data
• Fixed assertions in tests to correctly access the page_text property in extraction results

Test Plan

Run the existing test suite to verify that:

1. Asyncio tests run correctly with the new session-scoped event loop
2. Extract handler returns the correct result format
3. All tests pass with the updated page property access pattern
4. Act integration tests correctly interact with dropdown elements

GitHub: Closes #

[shrey150]

Warning

This pull request is not mergeable via GitHub because a downstack PR is open. Once all requirements are satisfied, merge this PR as a stack on Graphite.
Learn more

• Fix broken tests #237 👈 (View in Graphite)
• Bump litellm to 1.80.0 #234
• fix Stagehand headless mode #236
• main

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