distutils import tests module from the source code, so we must force it to use the test suite from the absolute path because it will be the converted on in case of 2to3 otherwise we fall-back to the relative module. issue3211
When group access exists, a default model access should be defined otherwise all access are given to non group users. issue4485 review5941002
issue4295 review12661002
review8771002
issue3614 review3181002
Cédric Krier