fix comment for ctor

xmtp_mls/src/lib.rs

@@ -87,9 +87,9 @@ mod tests {
     use tracing_test::traced_test;
 
     // Execute once before any tests are run
+    #[ctor::ctor]
     // Capture traces in a variable that can be checked in tests, as well as outputting them to stdout on test failure
     #[traced_test]
-    #[ctor::ctor]
     fn setup() {
         // Capture logs (e.g. log::info!()) as traces too
         let _ = tracing_log::LogTracer::init_with_filter(LevelFilter::Debug);