Use ruby 2.x hash syntax

spec/views/playlists/index.html.haml_spec.rb

@@ -3,22 +3,22 @@ require 'spec_helper'
 describe 'playlists/index' do
   before do
     assign :playlists, [
-      mock_model(Playlist, :name => 'Electro')
+      mock_model(Playlist, name: 'Electro')
     ]
   end
 
   it 'displays a list of playlists' do
     render
-    rendered.should have_selector('ul>li', :text => 'Electro')
+    rendered.should have_selector('ul>li', text: 'Electro')
   end
 
   it 'displays a link to create a new playlist' do
     render
-    rendered.should have_selector('a', :text => 'Create playlist')
+    rendered.should have_selector('a', text: 'Create playlist')
   end
 
   it 'displays playlists as links' do
     render
-    rendered.should have_selector('a', :text => 'Electro')
+    rendered.should have_selector('a', text: 'Electro')
   end
 end