fix(virtualstream): Fix keep-alive loop handling and test cleanup

test/test.ts

@@ -98,13 +98,13 @@ tap.test('should allow VirtualStreams', async () => {
   const data = await generatedRequestingVS.fetchData();
   const decodedData = new TextDecoder().decode(data);
   expect(decodedData).toEqual('hello');
-  newRequestingVS.close();
+  // await newRequestingVS.close();
 });
 
 tap.test('should end the server', async (toolsArg) => {
   await toolsArg.delayFor(1000);
   await testServer.stop();
-  await tap.stopForcefully();
+  // await tap.stopForcefully();
 });
 
 export default tap.start();