tests.system.test_pg8000_connection: test_CAS_pg8000_connection failed

[flaky-bot]

Note: #1350 was also for this test, but it was closed more than 10 days ago. So, I didn't mark it flaky.

---

commit: ac30dd0
buildURL: https://github.com/GoogleCloudPlatform/cloud-sql-python-connector/actions/runs/22150945714
status: failed

[flaky-bot]

Looks like this issue is flaky. 😟

I'm going to leave this open and stop commenting.

A human should fix and close this.

---

When run at the same commit (ac30dd0), this test passed in one build (https://github.com/GoogleCloudPlatform/cloud-sql-python-connector/actions/runs/22150945714) and failed in another build (https://github.com/GoogleCloudPlatform/cloud-sql-python-connector/actions/runs/22150945714).