#Description This PR addresses issue #677 by adding a robust E2E regression test using testcontainers.

#Changes

• Added tests/test_opal_e2e_docker.py with automated Docker lifecycle.
• Implemented Statistics API connectivity check (confirmed with 501 response).
• Fixed DeprecationWarnings by using a custom port waiting strategy.

Verification

Test passed successfully. See the demo video attached below.

/claim #677

https://github.com/user-attachments/assets/c0ebce83-8a50-4469-927a-53bf1afc4f1c