Inline tracing initialization

This code snippet is so short, it might as well be inlined to give
the test more control over what it wants to log.

monero-harness/tests/monerod.rs

@@ -1,15 +1,15 @@
-use crate::testutils::init_tracing;
 use monero_harness::Monero;
 use spectral::prelude::*;
 use std::time::Duration;
 use testcontainers::clients::Cli;
 use tokio::time;
-
-mod testutils;
+use tracing_subscriber::util::SubscriberInitExt;
 
 #[tokio::test]
 async fn init_miner_and_mine_to_miner_address() {
-    let _guard = init_tracing();
+    let _guard = tracing_subscriber::fmt()
+        .with_env_filter("warn,test=debug,monero_harness=debug,monero_rpc=debug")
+        .set_default();
 
     let tc = Cli::default();
     let (monero, _monerod_container) = Monero::new(&tc, vec![]).await.unwrap();

monero-harness/tests/testutils/mod.rs

@@ -1,14 +0,0 @@
-use tracing::subscriber::DefaultGuard;
-
-/// Utility function to initialize logging in the test environment.
-/// Note that you have to keep the `_guard` in scope after calling in test:
-///
-/// ```rust
-/// let _guard = init_tracing();
-/// ```
-pub fn init_tracing() -> DefaultGuard {
-    use tracing_subscriber::util::SubscriberInitExt as _;
-    tracing_subscriber::fmt()
-        .with_env_filter("warn,test=debug,monero_harness=debug,monero_rpc=debug")
-        .set_default()
-}

monero-harness/tests/wallet.rs

@@ -1,15 +1,15 @@
-use crate::testutils::init_tracing;
 use monero_harness::{Monero, MoneroWalletRpc};
 use spectral::prelude::*;
 use std::time::Duration;
 use testcontainers::clients::Cli;
 use tokio::time::sleep;
-
-mod testutils;
+use tracing_subscriber::util::SubscriberInitExt;
 
 #[tokio::test]
 async fn fund_transfer_and_check_tx_key() {
-    let _guard = init_tracing();
+    let _guard = tracing_subscriber::fmt()
+        .with_env_filter("warn,test=debug,monero_harness=debug,monero_rpc=debug")
+        .set_default();
 
     let fund_alice: u64 = 1_000_000_000_000;
     let fund_bob = 0;

swap/tests/testutils/mod.rs

@@ -28,7 +28,7 @@ use testcontainers::{Container, Docker, RunArgs};
 use tokio::sync::mpsc;
 use tokio::task::JoinHandle;
 use tokio::time::interval;
-use tracing::dispatcher::DefaultGuard;
+use tracing_subscriber::util::SubscriberInitExt;
 use url::Url;
 use uuid::Uuid;
 
@@ -319,7 +319,9 @@ where
 {
     let cli = Cli::default();
 
-    let _guard = init_tracing();
+    let _guard = tracing_subscriber::fmt()
+        .with_env_filter("warn,swap=debug,monero_harness=debug,monero_rpc=info,bitcoin_harness=info,testcontainers=info")
+        .set_default();
 
     let env_config = C::get_config();
 
@@ -658,19 +660,6 @@ struct Containers<'a> {
     electrs: Container<'a, Cli, electrs::Electrs>,
 }
 
-/// Utility function to initialize logging in the test environment.
-/// Note that you have to keep the `_guard` in scope after calling in test:
-///
-/// ```rust
-/// let _guard = init_tracing();
-/// ```
-pub fn init_tracing() -> DefaultGuard {
-    use tracing_subscriber::util::SubscriberInitExt as _;
-    tracing_subscriber::fmt()
-        .with_env_filter("warn,swap=debug,monero_harness=debug,monero_rpc=info,bitcoin_harness=info,testcontainers=info")
-        .set_default()
-}
-
 pub mod alice_run_until {
     use swap::protocol::alice::AliceState;