<NME> xml.rb
<BEF> ADDFILE
<MSG> - add failing-test stub

<DFF> @@ -0,0 +1,10 @@
+require "test_utils"
+require "logstash/filters/xml"
+
+describe LogStash::Filters::Mutate do
+  extend LogStash::RSpec
+
+  it "needs tests!"
+    raise "I NEED TESTS"
+  end
+end

- add failing-test stub