Use main port

[full ci]

Author: Steve Kirkland

features/steps/unity_steps.rb

@@ -31,7 +31,7 @@ def execute_command(action, scenario_name = '')
   when 'android', 'ios'
     execute_command('clear_cache')
   when 'browser'
-    url = "http://localhost:#{Maze.config.document_server_port}/index.html"
+    url = "http://localhost:#{Maze.config.port}/docs/index.html"
     $logger.debug "Navigating to URL: #{url}"
     step("I navigate to the URL \"#{url}\"")
     execute_command('clear_cache')