htools: Rework some unittests
htools: Rework some unittests

The new scaffolding which replaced the batch driver of QuickCheck 1 now
shows how many passes we have for incomplete tests. Some tests show very
low pass counts, so we rework them to have more actually valid test
cases.

Signed-off-by: Iustin Pop <acf83a5274f31a43af6b914614365999469c1a31@google.com>
Reviewed-by: Michael Hanselmann <68b67885ff74281219b4a4be33cc20fd45078d7c@google.com>

ganeti/ganeti,apyrgio/ganeti,bitemyapp/ganeti,andir/ganeti,bitemyapp/ganeti,yiannist/ganeti,ganeti-github-testing/ganeti-test-1,onponomarev/ganeti,dimara/ganeti,onponomarev/ganeti,mbakke/ganeti,leshchevds/ganeti,yiannist/ganeti,andir/ganeti,dimara/ganeti,andir/ganeti,apyrgio/ganeti,grnet/snf-ganeti,ganeti-github-testing/ganeti-test-1,leshchevds/ganeti,mbakke/ganeti,leshchevds/ganeti,ganeti/ganeti,apyrgio/snf-ganeti,mbakke/ganeti,apyrgio/snf-ganeti,grnet/snf-ganeti,ganeti/ganeti,yiannist/ganeti