Fix all Layout/SpaceBeforeComma rubocop issues and remove from rubocop_todo list

.rubocop_todo.yml

@@ -612,14 +612,6 @@ Layout/SpaceAroundEqualsInParameterDefault:
 Layout/SpaceAroundOperators:
   Enabled: false
 
-# Offense count: 6
-# Cop supports --auto-correct.
-Layout/SpaceBeforeComma:
-  Exclude:
-    - 'app/models/proposal.rb'
-    - 'spec/controllers/management/sessions_controller_spec.rb'
-    - 'spec/controllers/management/users_controller_spec.rb'
-
 # Offense count: 9
 # Cop supports --auto-correct.
 # Configuration parameters: EnforcedStyle, SupportedStyles.

app/controllers/legislation/answers_controller.rb

@@ -19,7 +19,7 @@ class Legislation::AnswersController < Legislation::BaseController
       end
     else
       respond_to do |format|
-        format.js { render json: {} , status: :not_found }
+        format.js { render json: {}, status: :not_found }
         format.html { redirect_to legislation_process_question_path(@process, @question), alert: t('legislation.questions.participation.phase_not_open') }
       end
     end

app/models/proposal.rb

@@ -39,7 +39,7 @@ class Proposal < ActiveRecord::Base
   before_save :calculate_hot_score, :calculate_confidence_score
 
   scope :for_render,               -> { includes(:tags) }
-  scope :sort_by_hot_score ,       -> { reorder(hot_score: :desc) }
+  scope :sort_by_hot_score,       -> { reorder(hot_score: :desc) }
   scope :sort_by_confidence_score, -> { reorder(confidence_score: :desc) }
   scope :sort_by_created_at,       -> { reorder(created_at: :desc) }
   scope :sort_by_most_commented,   -> { reorder(comments_count: :desc) }

spec/controllers/management/sessions_controller_spec.rb

@@ -5,15 +5,15 @@ describe Management::SessionsController do
   describe 'Sign in' do
     it "should deny access if wrong manager credentials" do
       allow_any_instance_of(ManagerAuthenticator).to receive(:auth).and_return(false)
-      expect { get :create, login: "nonexistent" , clave_usuario: "wrong"}.to raise_error CanCan::AccessDenied
+      expect { get :create, login: "nonexistent", clave_usuario: "wrong"}.to raise_error CanCan::AccessDenied
       expect(session[:manager]).to be_nil
     end
 
     it "should redirect to management root path if authorized manager with right credentials" do
-      manager = {login: "JJB033", user_key: "31415926" , date: "20151031135905"}
+      manager = {login: "JJB033", user_key: "31415926", date: "20151031135905"}
       allow_any_instance_of(ManagerAuthenticator).to receive(:auth).and_return(manager)
 
-      get :create, login: "JJB033" , clave_usuario: "31415926", fecha_conexion: "20151031135905"
+      get :create, login: "JJB033", clave_usuario: "31415926", fecha_conexion: "20151031135905"
       expect(response).to be_redirect
       expect(session[:manager][:login]).to eq "JJB033"
     end

spec/controllers/management/users_controller_spec.rb

@@ -4,13 +4,13 @@ describe Management::UsersController do
 
   describe 'logout' do
     it "should remove user data from the session" do
-      session[:manager] = {user_key: "31415926" , date: "20151031135905", login: "JJB033"}
+      session[:manager] = {user_key: "31415926", date: "20151031135905", login: "JJB033"}
       session[:document_type] =  "1"
       session[:document_number] = "12345678Z"
 
       get :logout
 
-      expect(session[:manager]).to eq({user_key: "31415926" , date: "20151031135905", login: "JJB033"})
+      expect(session[:manager]).to eq({user_key: "31415926", date: "20151031135905", login: "JJB033"})
       expect(session[:document_type]).to be_nil
       expect(session[:document_number]).to be_nil
       expect(response).to be_redirect