rustfmt the recent change

tests/by-util/test_stdbuf.rs

@@ -27,12 +27,12 @@ fn test_stdbuf_line_buffered_stdout() {
 fn test_stdbuf_no_buffer_option_fails() {
     new_ucmd!().args(&["head"]).fails().stderr_is(
         "error: The following required arguments were not provided:\n    \
-            --error <MODE>\n    \
-            --input <MODE>\n    \
-            --output <MODE>\n\n\
-            USAGE:\n    \
-            stdbuf OPTION... COMMAND\n\n\
-            For more information try --help",
+         --error <MODE>\n    \
+         --input <MODE>\n    \
+         --output <MODE>\n\n\
+         USAGE:\n    \
+         stdbuf OPTION... COMMAND\n\n\
+         For more information try --help",
     );
 }
 

tests/by-util/test_tail.rs

@@ -349,7 +349,6 @@ fn test_sleep_interval() {
     new_ucmd!().arg("-s").arg("10").arg(FOOBAR_TXT).succeeds();
 }
 
-
 /// Test for reading all but the first NUM bytes: `tail -c +3`.
 #[test]
 fn test_positive_bytes() {
@@ -360,7 +359,6 @@ fn test_positive_bytes() {
         .stdout_is("cde");
 }
 
-
 /// Test for reading all bytes, specified by `tail -c +0`.
 #[test]
 fn test_positive_zero_bytes() {
@@ -371,7 +369,6 @@ fn test_positive_zero_bytes() {
         .stdout_is("abcde");
 }
 
-
 /// Test for reading all but the first NUM lines: `tail -n +3`.
 #[test]
 fn test_positive_lines() {
@@ -382,7 +379,6 @@ fn test_positive_lines() {
         .stdout_is("c\nd\ne\n");
 }
 
-
 /// Test for reading all lines, specified by `tail -n +0`.
 #[test]
 fn test_positive_zero_lines() {

tests/by-util/test_who.rs

@@ -97,13 +97,9 @@ fn test_runlevel() {
 #[cfg(any(target_vendor = "apple", target_os = "freebsd"))]
 #[test]
 fn test_runlevel() {
-    let expected =
-        "error: Found argument";
+    let expected = "error: Found argument";
     for opt in vec!["-r", "--runlevel"] {
-        new_ucmd!()
-            .arg(opt)
-            .fails()
-            .stderr_contains(expected);
+        new_ucmd!().arg(opt).fails().stderr_contains(expected);
     }
 }