     collaborationHelpers.initiateCollaborationSession(browser, hostCallback, participantCallback)
 
 
-
   openFile: (browser) ->
 
     host                   = utils.getUser no, 0

    hostCallback = ->

      ideHelpers.openFileFromWebFolder browser, host
      browser.waitForElementVisible "#{paneSelector} .pythonpy",  60000
      collaborationHelpers.waitParticipantLeaveAndEndSession(browser)
      browser.end()

    participantCallback = ->

      browser.waitForElementVisible "#{paneSelector} .indexhtml", 60000
      collaborationHelpers.requestPermission(browser, yes)
      ideHelpers.openFileFromWebFolder browser, host, participantFileName, participantFileContent
      collaborationHelpers.leaveSession(browser)
      browser.end()
