…atements
## Description
This PR resolves integration test resource leaks and memory exhaustion
by implementing per-test isolation and reliable teardown logic.
**Files Updated:**
- **tests/common.go**: Refactored CleanupPostgresTables to target
specific uniqueID resources.
- **tests/alloydbpg/alloydb_pg_integration_test.go**: Integrated
t.Cleanup and unique ID logging.
## PR Checklist
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- [ ] Make sure you reviewed
[CONTRIBUTING.md](https://github.com/googleapis/genai-toolbox/blob/main/CONTRIBUTING.md)
- [ ] Make sure to open an issue as a
[bug/issue](https://github.com/googleapis/genai-toolbox/issues/new/choose)
before writing your code! That way we can discuss the change, evaluate
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- [ ] Ensure the tests and linter pass
- [ ] Code coverage does not decrease (if any source code was changed)
- [ ] Appropriate docs were updated (if necessary)
- [ ] Make sure to add `!` if this involve a breaking change
🛠️ Fixes #<2463>
8a96fb1a88