diff --git a/serial_test/src/code_lock.rs b/serial_test/src/code_lock.rs
index 52444fb..ebd728b 100644
--- a/serial_test/src/code_lock.rs
+++ b/serial_test/src/code_lock.rs
@@ -3,9 +3,10 @@ use dashmap::{try_result::TryResult, DashMap};
 use lazy_static::lazy_static;
 #[cfg(all(feature = "logging"))]
 use log::debug;
-use std::sync::{atomic::AtomicU32, Arc};
-use std::time::Duration;
-use std::time::Instant;
+use std::{
+    sync::{atomic::AtomicU32, Arc},
+    time::{Duration, Instant},
+};
 
 pub(crate) struct UniqueReentrantMutex {
     locks: Locks,
diff --git a/serial_test_test/src/lib.rs b/serial_test_test/src/lib.rs
index 9b674e6..edf84d5 100644
--- a/serial_test_test/src/lib.rs
+++ b/serial_test_test/src/lib.rs
@@ -107,12 +107,11 @@ mod tests {
     use serial_test::{file_parallel, file_serial};
 
     #[test]
-    #[serial()]
+    #[serial(timeout_key, timeout_ms = 60000)]
     fn demo_timeout_with_key() {}
 
     #[test]
-    #[serial()]
-    // #[serial(timeout_ms = 60000)]
+    #[serial(timeout_ms = 60000)]
     fn demo_timeout() {}
 
     #[test]