test: fix occasional panic error

Author: codcod

docs/commands/run.md

@@ -145,3 +145,19 @@ repos run --recipe update-deps
 ```bash
 repos run -t backend -p --recipe test
 ```
+
+## Exammple recipes
+
+List dependencies in java project limited to a specific package
+
+```yaml
+- name: dependency-list
+  steps:
+    - |
+      mvn dependency:list 2>&1 |
+        grep '^\[INFO\]    ' |
+        sed 's/\[INFO\]    //' |
+        sed 's/ -- module.*//' |
+        grep "com.myorg" |
+        sort -u
+```

src/commands/validators.rs

@@ -409,14 +409,26 @@ mod tests {
 
     #[test]
     fn test_validate_pr_args_with_env_var() {
+        // Save original state
+        let original_token = std::env::var("GITHUB_TOKEN").ok();
+
+        // Set test environment variable
         unsafe {
             std::env::set_var("GITHUB_TOKEN", "test_token");
         }
+
         let token = None;
         let result = validate_pr_args(&token);
+
+        // Restore original state
         unsafe {
-            std::env::remove_var("GITHUB_TOKEN");
+            if let Some(token_value) = original_token {
+                std::env::set_var("GITHUB_TOKEN", token_value);
+            } else {
+                std::env::remove_var("GITHUB_TOKEN");
+            }
         }
+
         assert!(result.is_ok());
     }