Force rspec-rails to the beta 4.0 release
Force rspec-rails to the beta 4.0 release

This resolves issues related to Rails 6, and will not allow tests to
pass otherwise.

see http://jessehouse.com/blog/2019/06/19/actionview-template-error-wrong-number-of-arguments-given-2/

ausaccessfed/aaf-gumboot,ausaccessfed/aaf-gumboot,ausaccessfed/aaf-gumboot