the patch is not created for all tests

Author: 2bndy5

cpp-linter/tests/comments.rs

@@ -278,9 +278,11 @@ async fn setup(lib_root: &Path, tmp_dir: &TempDir, test_params: &TestParams) {
         .path()
         .join(".cpp-linter-cache")
         .join("auto_fix.patch");
-    let patch_content =
-        std::fs::read_to_string(patch_path).expect("Failed to read generated patch file.");
-    println!("Generated patch content:\n{patch_content}");
+    if patch_path.exists() {
+        let patch_content =
+            std::fs::read_to_string(patch_path).expect("Failed to read generated patch file.");
+        println!("Generated patch content:\n{patch_content}");
+    }
 }
 
 async fn test_comment(test_params: &TestParams) {