Merge branch 'feature/2.6.next/4884-an-exec-provider-that-executes-unfiltered-bash-code' into 2.6.next
- feature/2.6.next/4884-an-exec-provider-that-executes-unfiltered-bash-code: (#4884) Revise new exec tests, add a few more (#4884) Add an shell provider for execs (#4884) Fix Test::Unit exec tests (#4884) Break the exec type out to have a posix provider (#4884) Add consistent path validation and behavior (#4884) Add expand_path to requiring the spec_helper (#4884) Autorequire shared behaviors and method to silence warnings (#4884) Fix whitespace (#4884) Get rid of open3 require since it wasn't being used