diff --git a/test/call_test.rb b/test/call_test.rb
index 2c6475c..4813f3b 100644
--- a/test/call_test.rb
+++ b/test/call_test.rb
@@ -93,4 +93,55 @@ def self.add_1(wrap_ctx, original_args)
     assert_equal signal.to_h[:semantic], :success
     assert_equal ctx[:seq], [1, :a, 1, 1]
   end
+
+  #@ test overriding {Operation.call_with_public_interface}
+  #@
+  module AfterCall
+    def self.add_task_name(wrap_ctx, original_args)
+      (ctx, _flow_options), circuit_options = original_args
+
+      activity  = circuit_options[:activity] # currently running Activity.
+      task      = wrap_ctx[:task]            # the current "step".
+      task_id   = Trailblazer::Activity::Introspect.Nodes(activity, task: task).id
+
+      ctx[:seq] << task_id
+
+      return wrap_ctx, original_args # yay to mutable state. not.
+    end
+  end
+
+  it "overrides {call_with_public_interface} and allows injecting {circuit_options} and {flow_options} from the override" do
+    mod = Module.new do
+      def call_with_public_interface(ctx, flow_options, **circuit_options)
+        my_extension = Trailblazer::Activity::TaskWrap::Extension(
+          [AfterCall.method(:add_task_name), id: "my.add_1", append: "task_wrap.call_task"]
+        )
+
+        super(
+          ctx,
+          flow_options.merge({}),
+          **circuit_options.merge(
+            wrap_runtime: Hash.new(my_extension),
+            runner: Trailblazer::Activity::TaskWrap::Runner
+          )
+        )
+      end
+    end
+
+    operation = Class.new(Trailblazer::Operation) do
+      step :a
+
+      include Trailblazer::Activity::Testing.def_steps(:a)
+    end
+    operation.extend mod # monkey-patch the "global" Operation.
+
+
+    # circuit interface invocation using call
+    result = operation.call(
+      seq: []
+    )
+
+    assert_equal result.success?, true
+    assert_equal result[:seq], ["Start.default", :a, :a, "End.success", nil] # {nil} because we don't have an ID for the actual operation.
+  end
 end