## Context
Missed another case here - RLS tester when retrieving policies
associated with query needs to consider policies with the `ALL`
operation
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## Summary by CodeRabbit
* **Tests**
* Added comprehensive tests for Row-Level Security policy filtering,
covering schema/table matching, role handling (including
public/service-role cases), command/operation semantics, and combined
filter behavior.
* **Refactor**
* Centralized and clarified RLS policy filtering logic used by the
tester for improved maintainability and consistency.
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