public int readInt1() {
        return byteBuf.readUnsignedByte();
    }
@Test
    void assertReadInt1() {
        when(byteBuf.readUnsignedByte()).thenReturn((short) 1);
        assertThat(new MySQLPacketPayload(byteBuf, StandardCharsets.UTF_8).readInt1(), is(1));
    }