exec 3> apt-progress.log
testsuccess aptget install testing=0.1 -y -o APT::Status-deb822-Fd=3
-testequal "Status: progress
+testfileequal './apt-progress.log' 'Status: progress
Percent: 0
Message: Running dpkg
Status: progress
Percent: 83.3333
Message: Running dpkg
-" cat apt-progress.log
-
+'
rm -f apt-progress*.log