rustfmt some tests

tests/by-util/test_seq.rs

@@ -45,4 +45,3 @@ fn test_seq_wrong_arg() {
 fn test_zero_step() {
     new_ucmd!().args(&["10", "0", "32"]).fails();
 }
-

tests/by-util/test_timeout.rs

@@ -5,14 +5,7 @@ use crate::common::util::*;
 //        utility that requires executing another program (kill, for instance)
 #[test]
 fn test_subcommand_retcode() {
-    new_ucmd!()
-        .arg("1")
-        .arg("true")
-        .succeeds();
+    new_ucmd!().arg("1").arg("true").succeeds();
 
-    new_ucmd!()
-        .arg("1")
-        .arg("false")
-        .run()
-        .status_code(1);
+    new_ucmd!().arg("1").arg("false").run().status_code(1);
 }