Test with Alaska runtime on Travis

.gitignore

@@ -11,6 +11,7 @@ doc
 # bundler
 .bundle
 Gemfile.lock
+gemfiles/*.lock
 
 # jeweler generated
 pkg

.travis.yml

@@ -21,3 +21,7 @@ matrix:
       gemfile: gemfiles/rubyracer
     - rvm: jruby-19mode
       gemfile: gemfiles/rubyrhino
+  allow_failures:
+    - rvm: 2.2.0
+      gemfile: gemfiles/alaska
+      env: ALASKA=1

gemfiles/alaska

@@ -0,0 +1,4 @@
+source "https://rubygems.org"
+
+gemspec :path=> "../"
+gem "alaska", github: "mavenlink/alaska"

spec/spec_helper.rb

@@ -7,6 +7,11 @@
 # in ./support/ and its subdirectories.
 Dir["#{File.dirname(__FILE__)}/support/**/*.rb"].each { |f| require f }
 
+if ENV["ALASKA"]
+  require 'alaska'
+  ExecJS.runtime = Alaska.new
+end
+
 RSpec.configure do |config|
   config.mock_with :rspec do |mock|
     mock.syntax = :expect