M4a task 16 review: accepted; the plan's copy of its test is now the formatted file

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

docs/plans/M4a/files/crates/gatewayd/tests/secrets_race.rs

@@ -24,7 +24,10 @@ fn refused(path: &Path, between: &dyn Fn(), word: &str) {
     let why = read_checked(path, between).expect_err(word);
     assert!(why.contains(word), "{word}: {why}");
     assert!(why.contains(&path.display().to_string()), "{why}");
-    assert!(!why.contains(TOKEN) && !why.contains(OTHER), "never a value: {why}");
+    assert!(
+        !why.contains(TOKEN) && !why.contains(OTHER),
+        "never a value: {why}"
+    );
 }
 
 #[test]
@@ -72,8 +75,16 @@ fn the_path_checks_still_come_first() {
     let other = owner_file(&dir, "other", OTHER);
     let link = dir.path().join("link");
     std::os::unix::fs::symlink(&other, &link).unwrap();
-    refused(&link, &|| panic!("never reached for a link"), "is a symbolic link");
-    refused(dir.path(), &|| panic!("never reached for a directory"), "is not a regular file");
+    refused(
+        &link,
+        &|| panic!("never reached for a link"),
+        "is a symbolic link",
+    );
+    refused(
+        dir.path(),
+        &|| panic!("never reached for a directory"),
+        "is not a regular file",
+    );
     let relative = Path::new("relative/token");
     let why = read_checked(relative, &|| panic!("never reached")).unwrap_err();
     assert!(why.contains("is not an absolute path"), "{why}");