Problem with capybara js

gistfile1.txt

I, [2016-09-09T10:18:38.643264 #31880]  INFO -- : Not reporting to Code Climate because ENV['CODECLIMATE_REPO_TOKEN'] is not set.

 An error occurred in an after hook
   Errno::EADDRINUSE: Address already in use - bind(2) for 127.0.0.1:9827
   occurred at /Users/faisal/.rbenv/versions/2.1.4/lib/ruby/2.1.0/socket.rb:206:in `bind'

F

Failures:

 1) Associating Articles with Menus should include javascript
    Failure/Error: visit '/'
    RuntimeError:
      Rack application timed out during boot
    # ./spec/features/sign_up_spec.rb:38:in `block (2 levels) in <top (required)>'
    # -e:1:in `<main>'

Finished in 1 minute 1.29 seconds (files took 1.34 seconds to load)
1 example, 1 failure

Failed examples:

rspec ./spec/features/sign_up_spec.rb:37 # Associating Articles with Menus should include javascript

Randomized with seed 10510