Use ruby 2.x hash syntax

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

@@ -3,25 +3,25 @@ require 'spec_helper'
 describe 'home/index' do
   before do
     assign :playlists, [
-      mock_model(Playlist, :name => 'Electro')
+      mock_model(Playlist, name: 'Electro')
     ]
     assign :tracks, [
-      mock_model(Track, :name => 'Mega song')
+      mock_model(Track, name: 'Mega song')
     ]
   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 add a track' do
     render
-    rendered.should have_selector('a', :text => 'Add a track')
+    rendered.should have_selector('a', text: 'Add a track')
   end
 
   it 'displays a list of tracks' do
     render
-    rendered.should have_selector('ul>li', :text => 'Mega song')
+    rendered.should have_selector('ul>li', text: 'Mega song')
   end
 end