assertEquals(timestamp, avTimestamp.getTimestamp()); // Verify encoding and decoding
    }

    /**
     * Test getTimestamp method with a positive timestamp.
     */
    @Test
    public void testGetTimestampPositive() {
        long expectedTimestamp = 123456789012345L;
        byte[] rawBytes = new byte[8];
        SMBUtil.writeInt8(expectedTimestamp, rawBytes, 0);
        AvTimestamp avTimestamp = new AvTimestamp(rawBytes);