Travis CIのVimが古くてテストが通らないからスピリチュアルパワー使う ref: http://qiita.com/aiya000/items/f06bdaf63a72547fd0d4

.travis.yml

language: generic

sudo: false

install:
    # Prepare environment
    - mkdir -p ~/.vim/bundle/repos/github.com
    - mkdir ~/.vim/bundle/repos/github.com/thinca
    - mkdir ~/.vim/bundle/repos/github.com/tyru
    - mkdir ~/Repository
    # Install needed plugins
    - git clone https://github.com/thinca/vim-themis ~/.vim/bundle/repos/github.com/thinca/vim-themis
    - git clone https://github.com/tyru/open-browser.vim ~/.vim/bundle/repos/github.com/tyru/open-browser.vim
    - git clone https://github.com/aiya000/aref-web.vim ~/Repository/aref-web.vim
    # Build just version vim to ~/vim-7.4.1689
    - ( if [ ! -d ~/vim-7.4.1689/bin ]; then git clone https://github.com/vim/vim /tmp/vim && cd /tmp/vim && git checkout v7.4.1689 && ./configure --prefix=$HOME/vim-7.4.1689 && make && make install; fi )
    - export THEMIS_VIM=$HOME/vim-7.4.1689/bin/vim

cache:
    directories:
        - $HOME/vim-7.4.1689

before_script:
    - $HOME/vim-7.4.1689/bin/vim --version

script:
    - ~/.vim/bundle/repos/github.com/thinca/vim-themis/bin/themis ~/Repository/aref-web.vim/test --reporter spec

branches:
    - master

file1.txt

.
.
$ vim --version
VIM - Vi IMproved 7.3 (2010 Aug 15, compiled May  4 2012 04:25:35)
Included patches: 1-429
.
.
$ ~/.vim/bundle/repos/github.com/thinca/vim-themis/bin/themis ~/Repository/aref-web.vim/test --reporter spec
aref-web.vim
  [✓] is_supported_source_test
  [✓] get_target_url_test
  [✓] can_use_dump_cmd_test
  [✖] have_openbrowser_vim_test
      function 112()  (~/Repository/aref-web.vim/test/aref_web.vim)
      function <SNR>27_have_openbrowser_vim()  Line:5  (~/build/aiya000/aref-web.vim/autoload/aref_web.vim)

      Vim(return):E121: Undefined variable: v:false

tests 4
passes 3
fails 1

The command "~/.vim/bundle/repos/github.com/thinca/vim-themis/bin/themis ~/Repository/aref-web.vim/test --reporter spec" exited with 1.

Done. Your build exited with 1.

file3.txt

.
.
$ $HOME/bin/vim/bin/vim --version
VIM - Vi IMproved 7.4 (2013 Aug 10, compiled May 20 2016 19:16:45)
Included patches: 1-1689
.
.
$ ~/.vim/bundle/repos/github.com/thinca/vim-themis/bin/themis ~/Repository/aref-web.vim/test --reporter spec
aref-web.vim
  [✓] is_supported_source_test
  [✓] get_target_url_test
  [✓] can_use_dump_cmd_test
  [✓] have_openbrowser_vim_test

tests 4
passes 4

The command "~/.vim/bundle/repos/github.com/thinca/vim-themis/bin/themis ~/Repository/aref-web.vim/test --reporter spec" exited with 0.

Done. Your build exited with 0.