diff --git a/test/tc_package.rb b/test/tc_package.rb
index <HASH>..<HASH> 100644
--- a/test/tc_package.rb
+++ b/test/tc_package.rb
@@ -78,7 +78,7 @@ class TestPackage < Test::Unit::TestCase
   def test_validation
     assert_equal(@package.validate.size, 0, @package.validate)
     Axlsx::Workbook.send(:class_variable_set, :@@date1904, 9900)
-    assert_equal(@package.validate.size, 2,  @package.validate)
+    assert(@package.validate.size > 0)
   end
 
   def test_parts
patch spec for xerces/libxml parser differences