From edf4b3f7f81b134a0aaae5d544e563ed785194f4 Mon Sep 17 00:00:00 2001
From: "Lei, HUANG" <6406592+v0y4g3r@users.noreply.github.com>
Date: Wed, 17 Sep 2025 16:48:38 +0800
Subject: [PATCH] chore: unset tz env in test (#6984)

chore/unset-tz-env-in-test:
 ### Commit Message

 Add environment variable cleanup in timezone tests

 - Updated `timezone.rs` to include removal of the `TZ` environment variable in the `test_from_tz_string` function to ensure a clean test environment.

Signed-off-by: Lei, HUANG <mrsatangel@gmail.com>
---
 src/common/time/src/timezone.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/common/time/src/timezone.rs b/src/common/time/src/timezone.rs
index b1fefceb21..fec659248f 100644
--- a/src/common/time/src/timezone.rs
+++ b/src/common/time/src/timezone.rs
@@ -173,6 +173,9 @@ mod tests {
 
     #[test]
     fn test_from_tz_string() {
+        unsafe {
+            std::env::remove_var("TZ");
+        }
         assert_eq!(
             Timezone::Named(Tz::UTC),
             Timezone::from_tz_string("SYSTEM").unwrap()