diff --git a/crates/moon/tests/mod.rs b/crates/moon/tests/mod.rs
index 4d8e219b..f6700629 100644
--- a/crates/moon/tests/mod.rs
+++ b/crates/moon/tests/mod.rs
@@ -45,6 +45,7 @@ pub fn moon_bin() -> PathBuf {
     snapbox::cmd::cargo_bin("moon")
 }
 
+#[track_caller]
 pub fn get_stdout_with_args_without_replace(
     dir: &impl AsRef<std::path::Path>,
     args: impl IntoIterator<Item = impl AsRef<std::ffi::OsStr>>,
@@ -79,6 +80,7 @@ pub fn get_stderr_with_args_without_replace(
     s
 }
 
+#[track_caller]
 pub fn get_stdout_with_args(
     dir: &impl AsRef<std::path::Path>,
     args: impl IntoIterator<Item = impl AsRef<std::ffi::OsStr>>,
@@ -108,6 +110,7 @@ pub fn replace_dir(s: &str, dir: &impl AsRef<std::path::Path>) -> String {
     s.replace("\r\n", "\n").replace('\\', "/")
 }
 
+#[track_caller]
 pub fn get_stdout_with_args_and_replace_dir(
     dir: &impl AsRef<std::path::Path>,
     args: impl IntoIterator<Item = impl AsRef<std::ffi::OsStr>>,
diff --git a/crates/moon/tests/test_cases/mod.rs b/crates/moon/tests/test_cases/mod.rs
index a6ff0240..67efff16 100644
--- a/crates/moon/tests/test_cases/mod.rs
+++ b/crates/moon/tests/test_cases/mod.rs
@@ -2009,7 +2009,7 @@ fn test_expect_test() -> anyhow::Result<()> {
     assert!(out.contains("Total tests: 30, passed: 30, failed: 0."));
     let updated =
         std::fs::read_to_string(tmp_dir_path.as_ref().join("lib").join("hello.mbt")).unwrap();
-    assert!(updated.contains(r#"[a, b, c]"#));
+    assert!(updated.contains(r#"["a", "b", "c"]"#));
 
     let s = snapbox::cmd::Command::new(moon_bin())
         .current_dir(&tmp_dir_path)
@@ -4174,7 +4174,7 @@ fn test_moon_run_with_cli_args() {
             ["run", "main", "--", "中文", "😄👍", "hello", "1242"],
         ),
         expect![[r#"
-            [中文, 😄👍, hello, 1242]
+            ["中文", "😄👍", "hello", "1242"]
         "#]],
     );
 }