Use Test::XML::Loy instead of Test::XML::Simple for performance reasons

Change-Id: I819250f919ba4da772b96bdaa513b3adb7843cac
diff --git a/Makefile.PL b/Makefile.PL
index 7f5083d..85efe26 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -13,7 +13,7 @@
   BUILD_REQUIRES => {
     'Test::More' => 0,
     'Test::Output' => 0,
-    'Test::XML::Simple' => 0,
+    'XML::Loy' => 0.49,
     'IO::Compress::Unzip' => '2.091',
   },
   PREREQ_PM => {