setuptools now normalizes the dist-info directory names to lowercase
according to PEP 491
Also egg-info directories are not created anymore
[skip changelog]
(cherry picked from Fedora commit 97a9e3e2155364562c2438142982fbb7afb4629a)
Change the test source location to support evolving downstream testing
requirements. This is needed both for downstream certification
activities and changes to test development for internal infrastructure
differences.
