off += a.length;
        }
        return res;
    }

    @Test
    @DisplayName("Read single bytes from stream with message packet")
    void readSingleByteHappyPath() throws IOException {
        // Create a simple message with 3 bytes of data
        byte[] data = new byte[] { 1, 2, 3 };
        byte[] fullData = concat(messageHeader(3), data);