run unittests with mutated local time

tests_all_day.sh

#!/bin/bash
# debian: run 'service systemd-timesyncd stop' and 'service ntp stop' as root before

# iterate over hours
for h in $(seq 0 23);
do
# iterate over minutes:
for m in $(seq 0 10 59);
do echo "date --set 'tomorrow $h:$m'";
   # set the date
   date --set "tomorrow $h:$m";
   # run the tests
   ./src/test/test;
done
done