fix: rubocop warnings

.rubocop.yml

@@ -6,13 +6,10 @@ AllCops:
     - bin/*
   TargetRubyVersion: 2.4
 
-Gemspec/RequiredRubyVersion:
-  Enabled: false
-
 Naming/AccessorMethodName:
   Enabled: false
 
-Style/RescueStandardError:
+Lint/RescueWithoutErrorClass:
   Enabled: false
 
 Metrics/LineLength:

Gemfile

@@ -38,16 +38,16 @@ gem 'bootsnap', '>= 1.1.0', require: false
 
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
-  gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
+  gem 'byebug', platforms: %i[mri mingw x64_mingw]
 end
 
 group :development do
   # Access an interactive console on exception pages or by calling 'console' anywhere in the code.
-  gem 'web-console', '>= 3.3.0'
   gem 'listen', '>= 3.0.5', '< 3.2'
   # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
   gem 'spring'
   gem 'spring-watcher-listen', '~> 2.0.0'
+  gem 'web-console', '>= 3.3.0'
 end
 
 group :test do
@@ -59,4 +59,4 @@ group :test do
 end
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
-gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
+gem 'tzinfo-data', platforms: %i[mingw mswin x64_mingw jruby]

app/controllers/home_controller.rb

@@ -1,4 +1,3 @@
 class HomeController < ApplicationController
-  def index
+  def index; end
-  end
 end

test/application_system_test_case.rb

@@ -1,4 +1,4 @@
-require "test_helper"
+require 'test_helper'
 
 class ApplicationSystemTestCase < ActionDispatch::SystemTestCase
   driven_by :selenium, using: :chrome, screen_size: [1400, 1400]