public boolean isNullParameter(final int index) {
        return (nullBitmap[getBytePosition(index)] & (1 << getBitPosition(index))) != 0;
    }
@Test
    void assertNewMySQLNullBitmapFromPayload() {
        when(payload.readInt1()).thenReturn(0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80);
        MySQLNullBitmap actual = new MySQLNullBitmap(64, payload);
        assertTrue(actual.isNullParameter(0));
        assertTrue(actual.isNullParameter(9));
        assertTrue(actual.isNullParameter(63));
        assertFalse(actual.isNullParameter(1));
        assertFalse(actual.isNullParameter(62));
    }