Additionally, as I commented in the PR, apart from the race condition I think the test should be modified so it fails if the warning is raised and not expected:

>The problem is that the test was silently failing when SIGINT was >being delivered as the test does not check that no warnings are >raised. Notice that the presence of a warning means that the process >died and therefore SIGINT did kill the process, which is precisely >what the test checks that does not happen.

>I think in order to check that the test works as intended without the >need to run the suite with -Wall, we need to modify the test.