Switch test files to use Mobility (#56)

The project switched from Globalize in refinery/refinerycms#3360

Author: parndt

spec/features/refinery/admin/wymeditor_feature_spec.rb

@@ -8,11 +8,11 @@
       allow(Refinery::I18n).to receive(:frontend_locales).and_return [:en, :ru]
 
       # Create a page in both locales
-      about_page = Globalize.with_locale(:en) do
+      about_page = Mobility.with_locale(:en) do
         Refinery::Page.create :title => 'About'
       end
 
-      Globalize.with_locale(:ru) do
+      Mobility.with_locale(:ru) do
         about_page.title = 'About Ru'
         about_page.save
       end

spec/spec_helper.rb

@@ -27,7 +27,8 @@
 
 Capybara.configure do |config|
   config.default_max_wait_time = ENV['CAPYBARA_MAX_WAIT_TIME'] || 10 # seconds
-  config.default_driver        = :selenium
+  config.default_driver = :selenium
+  config.server = :webrick
 end
 
 # Requires supporting files with custom matchers and macros, etc,