interfaces/expect.py random test failure #33907
Description
I've been getting this very frequently when running tests under heavy CPU load. This happens on Sage 9.5 too.
sage -t --long --random-seed=233407191301051614325254530123917684827 /nix/store/fmcggxb3m1xvlsdqmi045p87xml9paca-sage-src-9.6/src/sage/interfaces/expect.py
**********************************************************************
File "/nix/store/fmcggxb3m1xvlsdqmi045p87xml9paca-sage-src-9.6/src/sage/interfaces/expect.py", line 920, in sage.interfaces.expect.Expect._eval_line
Failed example:
singular.interrupt()
Expected:
True
Got:
False
**********************************************************************
File "/nix/store/fmcggxb3m1xvlsdqmi045p87xml9paca-sage-src-9.6/src/sage/interfaces/expect.py", line 926, in sage.interfaces.expect.Expect._eval_line
Failed example:
singular('2+3')
Expected:
Singular crashed -- automatically restarting.
5
Got:
5
CC: @slel @fchapoton @jdemeyer @dimpase @tscrim
Component: interfaces
Author: Gonzalo Tornaría
Branch/Commit: 6f5c1c2
Reviewer: Matthias Koeppe
Issue created by migration from https://trac.sagemath.org/ticket/33907