title: In nightwatch, how do I specify additional string arguments after the selenium_port
body: <p>came across a similar question here which wasn't truly addressed - <a href="https://github.com/nightwatchjs/nightwatch/issues/1911" rel="nofollow noreferrer">https://github.com/nightwatchjs/nightwatch/issues/1911</a></p>
  
  <p>You cannot do what @beatfactor suggested with the above example, the port is in the middle i.e. "selenium_host" : "us1.appium.testobject.com:443/wd/hub",</p>
  
  <p>I'm facing a similar problem right now, how do I provide arguments so it attempts to hit a host like the above?  Currently, my failing options are providing no port which defaults to 4444 or providing a port which results in attempting to hit us1.appium.testobject.com/wd/hub:443</p>
  
  <p>The desired result is : 
  "selenium_host" : "us1.appium.testobject.com:443/wd/hub",</p>
  
  <p>TLDR - How do you provide a port in the middle of your selenium host argument given the port is always appended to the end and if you don't provide one, a default is used?</p>