fix env error

Signed-off-by: kerthcet <kerthcet@gmail.com>

Author: kerthcet

src/client/client.rs

@@ -40,9 +40,12 @@ impl Client {
 mod tests {
     use super::*;
     use crate::config::{Config, ModelConfig, RoutingMode};
+    use dotenvy::from_filename;
 
     #[test]
     fn test_client_new() {
+        from_filename(".env.test").ok();
+
         struct TestCase {
             name: &'static str,
             config: Config,

src/config.rs

@@ -289,6 +289,8 @@ mod tests {
 
     #[test]
     fn test_populate_config() {
+        from_filename(".env.test").ok();
+
         let mut valid_cfg = Config::builder()
             .temperature(0.5)
             .max_output_tokens(1500)