[JS] Add code sample for chromeOpts detach

Author: harsha509

examples/javascript/test/browser/chromeSpecificCaps.spec.js

@@ -23,5 +23,17 @@ suite(function (env) {
       await driver.get('https://www.google.com');
       await driver.quit();
     });
+
+    it('Keep browser open - set detach to true ', async function () {
+      let driver = await env
+        .builder()
+        .setChromeOptions(options.detachDriver(true))
+        .build();
+
+      await driver.get('https://www.google.com');
+
+      // As tests runs in ci, quitting the driver instance to avoid any failures
+      await driver.quit();
+    });
   });
 });