message: test: Fix tests for correct ServerInfo ID
  Even the tests had the wrong message ID for a reply message D:
diff: @@ -24,7 +24,7 @@ mod test {
  assert_eq!(
  output,
  format!(
  - r#"[{{"ServerInfo":{{"Id":0,"MajorVersion":0,"MinorVersion":0,"BuildVersion":0,"MessageVersion":{},"MaxPingTime":0,"ServerName":"Test Server"}}}}]"#,
  + r#"[{{"ServerInfo":{{"Id":1,"MajorVersion":0,"MinorVersion":0,"BuildVersion":0,"MessageVersion":{},"MaxPingTime":0,"ServerName":"Test Server"}}}}]"#,
  BUTTPLUG_CURRENT_MESSAGE_SPEC_VERSION as u32
  )
  );
  @@ -63,7 +63,7 @@ mod test {
  assert_eq!(
  output,
  format!(
  - r#"[{{"ServerInfo":{{"Id":0,"MajorVersion":0,"MinorVersion":0,"BuildVersion":0,"MessageVersion":{},"MaxPingTime":0,"ServerName":"Test Server"}}}}]"#,
  + r#"[{{"ServerInfo":{{"Id":1,"MajorVersion":0,"MinorVersion":0,"BuildVersion":0,"MessageVersion":{},"MaxPingTime":0,"ServerName":"Test Server"}}}}]"#,
  BUTTPLUG_CURRENT_MESSAGE_SPEC_VERSION as u32
  )
  );
  @@ -105,7 +105,7 @@ mod test {
  assert_eq!(
  output,
  format!(
  - r#"[{{"ServerInfo":{{"Id":0,"MajorVersion":0,"MinorVersion":0,"BuildVersion":0,"MessageVersion":{},"MaxPingTime":0,"ServerName":"Test Server"}}}}]"#,
  + r#"[{{"ServerInfo":{{"Id":1,"MajorVersion":0,"MinorVersion":0,"BuildVersion":0,"MessageVersion":{},"MaxPingTime":0,"ServerName":"Test Server"}}}}]"#,
  BUTTPLUG_CURRENT_MESSAGE_SPEC_VERSION as u32
  )
  );
  