Integration test test_sniffer_interrupter() should be under /roles/tests-integration/tests/common module

[GitGab19]

We currently have a test called test_sniffer_interrupter() in /roles/tests-integration/tests/pool_integration.rs (here).

The test is testing the sniffer functionality, so it should live under /roles/tests-integration/tests/common module.

[jbesraa]

I think the test will run with each different file if we move it to tests/common, i.e, now we have pool_integration.rs and translator_integration.rs, if we move the test to tests/common it will run twice