Fix the test_acct test

It has never actually executed its command, so the only reason that it
ever worked is that on most systems there are usually processes starting
and exiting all the time.

1 files changed, 4 insertions, 1 deletions

diff --git a/test/test_unistd.rs b/test/test_unistd.rs
index 120a9dd3..b3b69bbb 100644
--- a/test/test_unistd.rs
+++ b/test/test_unistd.rs
@@ -583,7 +583,10 @@ fn test_acct() {
     acct::enable(path).unwrap();
 
     loop {
-        Command::new("echo").arg("Hello world");
+        Command::new("echo")
+            .arg("Hello world")
+            .output()
+            .unwrap();
         let len = fs::metadata(path).unwrap().len();
         if len > 0 { break; }
         thread::sleep(time::Duration::from_millis(10));