features/step_definitions/show_form_with_editor.coffee
seleniumWebdriver = require 'selenium-webdriver'
{defineSupportCode} = require 'cucumber'
Until = seleniumWebdriver.until
defineSupportCode ({Then}) ->
Then 'I should see {string} editor', (cssSelector) ->
condition = Until.elementLocated css: ".#{cssSelector}"
@driver.wait(condition)