Parallelize tests as much as possible, by default
Parallelize tests as much as possible, by default

pradyunsg/pip,rouge8/pip,pradyunsg/pip,rouge8/pip,rouge8/pip,xavfernandez/pip,pypa/pip,pfmoore/pip,sbidoul/pip,pfmoore/pip,xavfernandez/pip,sbidoul/pip,xavfernandez/pip,pypa/pip