Cover the case where a JSObject is deinitialized on a different thread

Author: kateinoigakukun

IntegrationTests/lib.js

@@ -128,6 +128,7 @@ class ThreadRegistry {
 
         worker.on("error", (error) => {
             console.error(`Worker thread ${tid} error:`, error);
+            throw error;
         });
         this.workers.set(tid, worker);
         worker.postMessage({ selfFilePath, module, programName, memory, tid, startArg });

Tests/JavaScriptEventLoopTests/WebWorkerTaskExecutorTests.swift

@@ -150,5 +150,19 @@ final class WebWorkerTaskExecutorTests: XCTestCase {
         }
         executor.terminate()
     }
+
+/*
+    func testDeinitJSObjectOnDifferentThread() async throws {
+        let executor = try await WebWorkerTaskExecutor(numberOfThreads: 1)
+
+        var object: JSObject? = JSObject.global.Object.function!.new()
+        let task = Task(executorPreference: executor) {
+            object = nil
+            _ = object
+        }
+        await task.value
+        executor.terminate()
+    }
+*/
 }
 #endif