Add some more variables to the unittest config
Add some more variables to the unittest config

These worked accidentally before (python2 doesn't complain if you
compare incompatible types) but under py3 this blows up spectacularly

Signed-off-by: Adrian Tschira <a923f42fb3fac6b1c45f7835e3e97e419a1404f1@notafile.com>

matrix-org/synapse,matrix-org/synapse,matrix-org/synapse,matrix-org/synapse,matrix-org/synapse,matrix-org/synapse