int expectedSize = 16 + 4 + 4 + 32; // header + name + padding + data
        assertEquals(expectedSize, leaseContext.size());
    }

    @Test
    @DisplayName("Should set and get lease key")
    void testLeaseKeyAccessors() {
        byte[] newKeyBytes = new byte[] { (byte) 0xFF, (byte) 0xFE, (byte) 0xFD, (byte) 0xFC, (byte) 0xFB, (byte) 0xFA, (byte) 0xF9,