diff --git a/test/rb/integration/TestClient.rb b/test/rb/integration/TestClient.rb
index 41625a8..3659ccb 100755
--- a/test/rb/integration/TestClient.rb
+++ b/test/rb/integration/TestClient.rb
@@ -116,6 +116,8 @@
     assert_kind_of(Float, @client.testDouble(val))
   end
 
+  # TODO: testBinary
+  
   def test_map
     val = {1 => 1, 2 => 2, 3 => 3}
     assert_equal(@client.testMap(val), val)