Fix the tests by switching to stdlib 4.x instead of 3.x.

getparam() unfortunately only arrived in 4.x, so switch.

.fixtures.yml

@@ -2,6 +2,6 @@ fixtures:
   repositories:
     'stdlib':
       repo: 'git://github.com/puppetlabs/puppetlabs-stdlib.git'
-      ref: '3.0.0'
+      ref: '4.0.0'
   symlinks:
     'concat': '#{source_dir}'

Modulefile

@@ -6,4 +6,4 @@ license 'Apache 2.0'
 summary 'Concat module'
 description 'Concat module'
 project_page 'http://github.com/puppetlabs/puppetlabs-concat'
-dependency 'puppetlabs/stdlib', '>= 3.0.0'
+dependency 'puppetlabs/stdlib', '>= 4.0.0'