Fix flaky test_pagination_queries test #733
Description
Problem
test_pagination_queries is marked as a flaky test that sometimes fails.
Impact
Flaky tests:
- Reduce confidence in CI results
- Cause spurious CI failures
- Make it harder to detect real regressions
Related
- Flaky test: test_pagination_queries #692 (original issue)
Solution
Investigate and fix the root cause of the flakiness. Common causes:
- Race conditions in async code
- Timing-dependent assertions
- Test isolation issues
- Redis state not properly cleaned between tests