如何在启用分片配置的情况下为量角器创建的浏览器的每个实例传递不同的配置。

Iam passing the login details of a tested website using browser.params in protractor login suite. But the problem is that my web application has a restriction for single login for a user account. Hence running tests in multicapablities in firefox and chrome simultaneously fails.Since only one browser user session can exists at a time.Please provide a work around to solve this. It should be nice to pass different login params to firefox and chrome inside multicapabilities. is it possible.Iam passing the login details of a tested websi