Bug#933021: sagemath ftbfs in unstable (too many test failures)

[Matthias Klose]

Package: src:sagemath
Version: 8.6-6
Severity: serious
Tags: sid bullseye

the builds show too many test failures on all architectures.

[...]
otal time for all tests: 5258.7 seconds
    cpu time: 13588.0 seconds
    cumulative wall time: 19677.1 seconds
make[2]: Entering directory '/<<PKGBUILDDIR>>'
Error: 22979 tests failed, up to 50 failures are tolerated
make[2]: *** [debian/rules:252: had-few-failures] Error 1
make[2]: Leaving directory '/<<PKGBUILDDIR>>'
make[2]: Entering directory '/<<PKGBUILDDIR>>'
Checking number of failed tests to determine whether to rerun tests in series...
No: 22979 tests failed, up to 100 failures are tolerated for rerun
make[2]: *** [debian/rules:265: had-not-too-many-failures] Error 1
make[2]: Leaving directory '/<<PKGBUILDDIR>>'
make[1]: *** [debian/rules:289: override_dh_auto_test-arch] Error 2
make[1]: Leaving directory '/<<PKGBUILDDIR>>'
make: *** [debian/rules:73: binary-arch] Error 2