Use ruby 2.x hash syntax

spec/views/tracks/new.html.haml_spec.rb

@@ -16,18 +16,18 @@ describe 'tracks/new' do
   end
 
   it 'renders a text field with a label for the playlists name' do
-    track.stub(:name => 'Mega song')
+    track.stub(name: 'Mega song')
     render
     rendered.should have_selector(
       "input[type=text][name='track[name]'][value='Mega song']"
     )
-    rendered.should have_selector('label[for=track_name]', :text => 'Name')
+    rendered.should have_selector('label[for=track_name]', text: 'Name')
   end
 
   it 'renders a file field with a label for the tracks file' do
     render
     rendered.should have_selector("form[enctype='multipart/form-data']")
     rendered.should have_selector("input[type=file][name='track[file]']")
-    rendered.should have_selector('label[for=track_file]', :text => 'File')
+    rendered.should have_selector('label[for=track_file]', text: 'File')
   end
 end

spec/views/tracks/show.html.haml_spec.rb

@@ -9,7 +9,7 @@ describe 'tracks/show' do
 
   it 'displays the name of the track' do
     render
-    rendered.should have_selector('h1', :text => 'Mega song')
+    rendered.should have_selector('h1', text: 'Mega song')
   end
 
   context 'when track has a sound' do
@@ -34,7 +34,7 @@ describe 'tracks/show' do
       render
       rendered.should have_selector(
         'audio',
-        :text => 'Your browser does not support the audio element'
+        text: 'Your browser does not support the audio element'
       )
     end
   end