use process.platform to get os details

Signed-off-by: NivedhaSenthil nivedhasenthil@gmail.com

Co-authored-by: Zabil Cheriya Maliackal <zabil@users.noreply.github.com>

Author: NivedhaSenthil

lib/taiko.js

@@ -308,7 +308,7 @@ const _closeBrowser = async () => {
     await _client.removeAllListeners();
     pageHandler.addJavascriptDialogOpeningListener();
     //TODO: Remove check once fixed https://bugs.chromium.org/p/chromium/issues/detail?id=1147809
-    if (!defaultConfig.firefox && !(os.type().includes('Windows') && defaultConfig.headful)) {
+    if (!defaultConfig.firefox && !(process.platform == 'win32' && defaultConfig.headful)) {
       await page.close();
 
       await new Promise((resolve) => {