void testNullKey() {
        assertThrows(IllegalArgumentException.class, () -> new Smb2LeaseKey(null));
    }

    @Test
    @DisplayName("Should reject wrong size key")
    void testWrongSizeKey() {
        assertThrows(IllegalArgumentException.class, () -> new Smb2LeaseKey(new byte[15]));
        assertThrows(IllegalArgumentException.class, () -> new Smb2LeaseKey(new byte[17]));