Added processing tests for example corpus

Change-Id: Ie160fcae3e222f592cbfa776baefa255635158af
diff --git a/Makefile.PL b/Makefile.PL
index e8f74a2..7f5083d 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -12,7 +12,9 @@
   LICENSE      => 'freebsd',
   BUILD_REQUIRES => {
     'Test::More' => 0,
-    'Test::Output' => 0
+    'Test::Output' => 0,
+    'Test::XML::Simple' => 0,
+    'IO::Compress::Unzip' => '2.091',
   },
   PREREQ_PM => {
     'XML::CompactTree::XS'     => '0.03',