Add acceptence test

Author: traylenator

spec/acceptance/stdlib_deferrable_epp_spec.rb

@@ -8,7 +8,7 @@
   before(:all) do
     apply_manifest(<<-MANIFEST)
       $_epp = "port=<%= $port %>\npassword=<%= $password %>\n"
-      $_testfile = ? $facts['os']['family'] ? {
+      $_testfile = $facts['os']['family'] ? {
         'windows' => 'C:\\test.epp',
         default => '/tmp/test.epp,
       }
@@ -22,7 +22,7 @@
 
   before(:each) do
     rm_testfile = <<-MANIFEST
-      $_testfile = ? $facts['os']['family'] ? {
+      $_testfile = $facts['os']['family'] ? {
         'windows' => 'C:\\test.epp',
         default => '/tmp/test.epp,
       }