Fix coding standards in specs

spec/integration/api/playlists_spec.rb

@@ -6,7 +6,6 @@ describe 'API playlists' do
   it 'lists playlists' do
     playlist = create :playlist
     get api_playlists_path, format: :json
-
     expect(json).to eq(
       playlists: [{
         id:   playlist.id,
@@ -18,7 +17,6 @@ describe 'API playlists' do
   it 'shows a playlist' do
     playlist = create :playlist
     get api_playlist_path playlist, format: :json
-
     expect(json).to eq(
       playlist: {
         id:   playlist.id,
@@ -30,7 +28,6 @@ describe 'API playlists' do
   it 'creates playlist' do
     playlist = attributes_for :playlist
     post api_playlists_path, format: :json, playlist: playlist
-
     expect(json).to match(
       playlist: {
         id:   an_instance_of(Fixnum),

spec/integration/api/sign_in_spec.rb

@@ -12,7 +12,6 @@ describe 'API sign in' do
 
   it 'signs the user in with valid credentials' do
     do_create
-
     expect(json).to eq(user: { id: user.id })
   end
 
@@ -21,7 +20,6 @@ describe 'API sign in' do
       it 'rejects authentication' do
         allow(user).to receive(attr).and_return(user.send(attr) + '_INVALID')
         do_create
-
         expect(response).to be_not_found
         expect(response.body).to be_empty
       end

spec/integration/api/tracks_spec.rb

@@ -7,7 +7,6 @@ describe 'API tracks' do
     track_1 = create :track_with_sound, name: 'Track 1'
     track_2 = create :track, name: 'Track 2'
     get api_tracks_path, format: :json
-
     expect(json).to eq(
       tracks: [
         {
@@ -26,7 +25,6 @@ describe 'API tracks' do
   it 'shows a track' do
     track = create :track
     get api_track_path track, format: :json
-
     expect(json).to eq(
       track: {
         id:   track.id,