Handle native Mac extraction worker exit races

crates/searchi-extract-worker/tests/parent_roundtrip.rs

@@ -30,15 +30,24 @@ fn actual_parent_and_worker_return_original_docx_passage_and_digest() {
     let input = document.finish().unwrap().into_inner();
     let request = RequestHeader::from_bytes(DocumentFormat::Docx, &input).unwrap();
     let expected_hash = request.input_sha256.clone();
-    let response = run(&config(), request, input, &AtomicBool::new(false)).unwrap();
-    assert_eq!(response.input_sha256, expected_hash);
-    let ExtractionOutcome::Extracted { passages } = response.outcome else {
-        panic!("Valid document rejected");
-    };
-    assert_eq!(passages.len(), 1);
-    assert_eq!(passages[0].text, "Cancel with sixty days written notice.");
-    assert_eq!(passages[0].source.kind, "paragraph");
-    assert_eq!(passages[0].source.number, 1);
+    // Exercise short-lived native worker exit/task-inspection races too.
+    for _ in 0..10 {
+        let response = run(
+            &config(),
+            request.clone(),
+            input.clone(),
+            &AtomicBool::new(false),
+        )
+        .unwrap();
+        assert_eq!(response.input_sha256, expected_hash);
+        let ExtractionOutcome::Extracted { passages } = response.outcome else {
+            panic!("Valid document rejected");
+        };
+        assert_eq!(passages.len(), 1);
+        assert_eq!(passages[0].text, "Cancel with sixty days written notice.");
+        assert_eq!(passages[0].source.kind, "paragraph");
+        assert_eq!(passages[0].source.number, 1);
+    }
 }
 
 #[test]