Fix minor thinks in lots of tests. Mainly compatibility problems with new version docker

Important commit https://github.com/jzupka/autotest-docker/commit/0cb718dc5fbb30f6cd902ff88224561d6c73a1c0 fixes problem with generator of names.
Hmmm, will have to look at these changes closely, I don't remember if I worked on this one or not.  This one hits the same bug as rmi: 1097884