diff --git a/test/source/category/_posts/2008-9-23-categories.markdown b/test/source/category/_posts/2008-09-23-categories.markdown
similarity index 100%
rename from test/source/category/_posts/2008-9-23-categories.markdown
rename to test/source/category/_posts/2008-09-23-categories.markdown
diff --git a/test/source/z_category/_posts/2008-9-23-categories.markdown b/test/source/z_category/_posts/2008-09-23-categories.markdown
similarity index 100%
rename from test/source/z_category/_posts/2008-9-23-categories.markdown
rename to test/source/z_category/_posts/2008-09-23-categories.markdown
diff --git a/test/test_collections.rb b/test/test_collections.rb
index 45e2a511..0dca8443 100644
--- a/test/test_collections.rb
+++ b/test/test_collections.rb
@@ -132,6 +132,7 @@ class TestCollections < JekyllUnitTest
           _methods/um_hi.md
           _methods/escape-+\ #%20[].md
           _methods/yaml_with_dots.md
+          _methods/3940394-21-9393050-fifif1323-test.md
         ), doc.relative_path
       end
     end