extract: add test for .tar.bz2 files

Author: gizero

files/sample.tar.bz2

@@ -13,3 +13,13 @@
   creates => '/tmp/staging/sample',
   require => Staging::File['sample.tar.gz'],
 }
+
+staging::file { 'sample.tar.bz2':
+  source => 'puppet:///modules/staging/sample.tar.bz2'
+}
+
+staging::extract { 'sample.tar.bz2':
+  target  => '/tmp/staging',
+  creates => '/tmp/staging/sample-tar-bz2',
+  require => Staging::File['sample.tar.bz2'],
+}