Apply automatic rubocop fixes

spec/controllers/statistics_controller_spec.rb

@@ -1,34 +1,36 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe StatisticsController do
   let(:user) { FactoryBot.create(:admin) }
-  before(:each) { allow(controller).to receive(:current_user).and_return(user) }
 
-  [:show, :graphs].each do |route|
+  before { allow(controller).to receive(:current_user).and_return(user) }
+
+  %i[show graphs].each do |route|
     describe "GET ##{route}" do
-      before(:each) { get route }
+      before { get route }
 
       expect_status(200)
       expect_template(route)
     end
   end
 
-  [:user_activity_history, :rfc_activity_history].each do |route|
+  %i[user_activity_history rfc_activity_history].each do |route|
     describe "GET ##{route}" do
-      before(:each) { get route }
+      before { get route }
 
       expect_status(200)
       expect_template(:activity_history)
     end
   end
 
-  [:show, :user_activity, :user_activity_history, :rfc_activity, :rfc_activity_history].each do |route|
+  %i[show user_activity user_activity_history rfc_activity rfc_activity_history].each do |route|
     describe "GET ##{route}.json" do
-      before(:each) { get route, format: :json }
+      before { get route, format: :json }
 
       expect_status(200)
       expect_json
     end
   end
-
 end