verify(spyHandle).sendrecv(any(DcerpcMessage.class));
        }

        @Test
        @DisplayName("Should propagate IOException during bind")
        void testBindIOException() throws DcerpcException, IOException {
            // Given: Spy that throws IOException on sendrecv
            TestDcerpcHandle spyHandle = spy(new TestDcerpcHandle(mockContext, mockBinding));