Force concat install

Author: Morgan Haskel

spec/spec_helper_acceptance.rb

@@ -100,7 +100,7 @@ def psql(psql_cmd, user = 'postgres', exit_codes = [0,1], &block)
 
       on host, puppet('module','install','puppetlabs-stdlib'), { :acceptable_exit_codes => [0,1] }
       on host, puppet('module','install','puppetlabs-apt'), { :acceptable_exit_codes => [0,1] }
-      on host, puppet('module','install','puppetlabs-concat'), { :acceptable_exit_codes => [0,1] }
+      on host, puppet('module','install','--force','puppetlabs-concat'), { :acceptable_exit_codes => [0,1] }
     end