Bug#974575: Test suite aborts early on SIGWINCH

[Felix Lechner <felix.lechner@lease-up.com>]

Package: lintian
 Hi,

The test suite aborts early, but without error when it receives a
SIGWINCH signal. It can be observed under sway for wayland or xmonad.
Both are tiling window managers in which window resize operations are
frequent.

The treatment of this signal is a mystery. Under the standard process
mask it is ignored. A deep dive investigation together with the Perl
folks yielded only that the standard mask is being modified during
module initialization (i.e. BEGIN) and probably not in Perl.

We used various methods to trace variable assignments and hash
changes. The results were inconclusive.

Kind regards,
Felix Lechner