fix clippy assertions_on_result_states

https://rust-lang.github.io/rust-clippy/master/index.html#assertions_on_result_states

1 files changed, 1 insertions, 1 deletions

diff --git a/test/sys/test_termios.rs b/test/sys/test_termios.rs
index e567a52c..11a08cb5 100644
--- a/test/sys/test_termios.rs
+++ b/test/sys/test_termios.rs
@@ -22,7 +22,7 @@ fn test_tcgetattr_pty() {
     let _m = crate::PTSNAME_MTX.lock();
 
     let pty = openpty(None, None).expect("openpty failed");
-    assert!(termios::tcgetattr(pty.slave).is_ok());
+    termios::tcgetattr(pty.slave).expect("assert failed");
     close(pty.master).expect("closing the master failed");
     close(pty.slave).expect("closing the slave failed");
 }