fix: gracefullyClose unused workers

This patch fixes issue microsoft#30504 by gracefully terminating the worker before exiting the process

packages/playwright-test/src/common/process.ts

@@ -90,12 +90,13 @@ async function gracefullyCloseAndExit() {
   if (closed)
     return;
   closed = true;
-  // Force exit after 30 seconds.
-  setTimeout(() => process.exit(0), 30000);
-  // Meanwhile, try to gracefully shutdown.
-  await processRunner.gracefullyClose().catch(() => {});
-  await stopProfiling(processName).catch(() => {});
-  process.exit(0);
+  try {
+    // try to gracefully shutdown.
+    await processRunner.gracefullyClose().catch(() => {});
+    await stopProfiling(processName).catch(() => {});
+  } finally {
+    process.exit(0);
+  }
 }
 
 function sendMessageToParent(message: { method: string, params?: any }) {