Pin json_pure below 2.0.0 for 1.8.7 support

diff --git a/Gemfile b/Gemfile
index a89c9e646e7595f4f9308d35d8597604d48c8c36..f90407be887993bb15260bf9cb31b0fc08de2ad2 100755 (executable)
--- a/Gemfile
+++ b/Gemfile
@@ -20,6 +20,7 @@ group :test do
   gem "rspec", '< 3.2.0'
   gem "rspec-core", "3.1.7"
   gem "rspec-puppet", "~> 2.1"
+  gem "json_pure", "< 2.0.0"
 
   gem "puppet-syntax"
   gem "puppetlabs_spec_helper"