问Capybara/Selenium Capybara::ElementNotFound -在运行@javascript时

EN

Feature: Combat
  In order to engage in combat
  As a registered user
  I want to be able to kill enemy ships
  @javascript
  Scenario: Initialize combat
    Given I am logged in
    # When I go to the homepage
    When I click element "#enter-combat"
    Then the page should contain a section with the class "map"

When /^(?:|I )click element "([^"]*)"$/ do |id|
  find(id).click
end

Given /^I am logged in$/ do
  email = 'murray@monkeyisland.com'
  password = 'demonic'

  steps %Q{
    Given the following user exists:
            | first_name | last_name | email    | password    | password_confirmation |
            | Murray     | Skull     | #{email} | #{password} | #{password}           |
        And I login as "#{email}" with the password "#{password}"
  }
end

Given /^I login as "([^\"]*)" with the password "([^\"]*)"$/ do |email, password|
  steps %Q{
    Given I am not logged in
    When I go to the login page
        And I fill in "user_email" with "#{email}"
        And I fill in "user_password" with "#{password}"
        And I press "Login"
  }
end

Feature: Initialize Combat
  In order to engage in combat
  As a registered user
  I want to be able to initialize it

  @javascript
  Scenario: Initialize combat
    Given I am logged in
    When I go to the homepage
    And I press "enter-combat"
    Then the page should contain a section with the class "map"