Fix nits (#846)

adapters/risc0/src/host.rs

@@ -20,6 +20,7 @@ pub struct Risc0Host<'a> {
 }
 
 #[cfg(not(feature = "bench"))]
+#[inline(always)]
 fn add_benchmarking_callbacks(env: ExecutorEnvBuilder<'_>) -> ExecutorEnvBuilder<'_> {
     env
 }

examples/demo-rollup/tests/bank/mod.rs

@@ -78,12 +78,10 @@ async fn bank_tx_tests() -> Result<(), anyhow::Error> {
     // Wait for rollup task to start:
     let port = port_rx.await.unwrap();
 
-    // If the rollup throws an error, stop trying to send the transaction and return it
+    // If the rollup throws an error, return it and stop trying to send the transaction
     tokio::select! {
-        err = rollup_task =>  {
-            err?;
-        },
-        res = send_test_create_token_tx(port) =>{res?},
+        err = rollup_task => err?,
+        res = send_test_create_token_tx(port) => res?,
     };
     Ok(())
 }