Include all files with py extension in tutorials subdirs as tutorials tests
Include all files with py extension in tutorials subdirs as tutorials tests

this commit paves the way to the usage of python tutorials as first class
citizens and not as something sealed in the pyroot directory.
De facto, eve/lineset.py, always has been a 1st class citizen.

simonpf/root,olifre/root,simonpf/root,root-mirror/root,root-mirror/root,karies/root,davidlt/root,root-mirror/root,mhuwiler/rootauto,zzxuanyuan/root,karies/root,mhuwiler/rootauto,agarciamontoro/root,simonpf/root,root-mirror/root,root-mirror/root,olifre/root,BerserkerTroll/root,agarciamontoro/root,zzxuanyuan/root,simonpf/root,simonpf/root,agarciamontoro/root,olifre/root,BerserkerTroll/root,mhuwiler/rootauto,agarciamontoro/root,zzxuanyuan/root,zzxuanyuan/root,BerserkerTroll/root,mhuwiler/rootauto,karies/root,agarciamontoro/root,davidlt/root,bbockelm/root,bbockelm/root,karies/root,root-mirror/root,olifre/root,davidlt/root,agarciamontoro/root,agarciamontoro/root,karies/root,bbockelm/root,mhuwiler/rootauto,olifre/root,zzxuanyuan/root,agarciamontoro/root,zzxuanyuan/root,root-mirror/root,simonpf/root,zzxuanyuan/root,bbockelm/root,olifre/root,karies/root,mhuwiler/rootauto,karies/root,mhuwiler/rootauto,BerserkerTroll/root,zzxuanyuan/root,bbockelm/root,davidlt/root,root-mirror/root,karies/root,BerserkerTroll/root,mhuwiler/rootauto,zzxuanyuan/root,simonpf/root,bbockelm/root,root-mirror/root,mhuwiler/rootauto,root-mirror/root,simonpf/root,davidlt/root,bbockelm/root,bbockelm/root,bbockelm/root,olifre/root,agarciamontoro/root,root-mirror/root,agarciamontoro/root,karies/root,davidlt/root,olifre/root,simonpf/root,karies/root,zzxuanyuan/root,davidlt/root,zzxuanyuan/root,mhuwiler/rootauto,BerserkerTroll/root,davidlt/root,BerserkerTroll/root,agarciamontoro/root,zzxuanyuan/root,davidlt/root,simonpf/root,BerserkerTroll/root,mhuwiler/rootauto,davidlt/root,olifre/root,BerserkerTroll/root,BerserkerTroll/root,olifre/root,olifre/root,davidlt/root,bbockelm/root,bbockelm/root,karies/root,BerserkerTroll/root,simonpf/root