WebdriverIO - Close one of the 3 browser instances, browser1.closeWindow closes all 3 browsers

General Discussions TestAutomation
,
#1

Hi, in my test tests I have to open 3 browsers( 3 chrome instances) for login of different type of users. Now all my test suites dont require 3 browsers, most use only 2. In my config I have capabilities like

capabilities: {
        studentBrowser: {
            capabilities: {
                browserName: 'chrome',
                ....
        },
        adminBrowser: {
            capabilities: {
                browserName: 'chrome',
                ....
            }
        },
        staffUserBrowser: {
            capabilities: {
                browserName: 'chrome',
               ...
        }
    }

I want to close only staffUserBrowser instance in few tests to avoid resources utilisation. browser.closeWindow() closes all of the instances. How can I achieve this?