Setting up a Unix-type testing platform

- Install perlbrew and related requirements:
    cpanm App::perlbrew
    perlbrew install-patchperl
    perlbrew install-cpanm

- Install and switch to your base perl instance, and install C<Test::BrewBuild>:
    perlbrew install 5.22.1
    perlbrew switch 5.22.1
    cpanm Test::BrewBuild