(#22709) Document /<env>/certificate_request/*
(maint) Move constant outside shared_examples_for to avoid "already initialized" warning
(maint) Move common constant/requires for json-schema to spec_helper.rb
Merge pull request #1945 from zaphod42/issues/master/22709-doc-certificate_request

(#22709) Document /<env>/certificate_request/*
Merge pull request #1948 from kylog/maint/cleanup-spec-already-initialized-warnings

Maint/cleanup spec already initialized warnings
Merge branch 'master' of https://github.com/puppetlabs/puppet