From 2e49b146559521e24ce6ab593d5758096f908aef Mon Sep 17 00:00:00 2001
From: Hunter B <hmbown@gmail.com>
Date: Fri, 5 Jun 2026 08:02:41 -0700
Subject: [PATCH] test(config): isolate provider chain runtime resolution

---
 crates/config/src/lib.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/crates/config/src/lib.rs b/crates/config/src/lib.rs
index 46ce8e67..de8f28e3 100644
--- a/crates/config/src/lib.rs
+++ b/crates/config/src/lib.rs
@@ -5394,6 +5394,8 @@ fallback_providers = ["deepseek", "openrouter"]
 
     #[test]
     fn fallback_providers_do_not_change_runtime_resolution() {
+        let _lock = env_lock();
+        let _env = EnvGuard::without_deepseek_runtime_overrides();
         let config = ConfigToml {
             provider: ProviderKind::NvidiaNim,
             fallback_providers: vec![ProviderKind::Deepseek],