Rakefile in max_amount-1.2.4 vs Rakefile in max_amount-1.3.4

@@ -1,15 +1,22 @@
 # frozen_string_literal: true
 
+require 'rake'
+
+begin
+  require 'bundler/setup'
+  Bundler::GemHelper.install_tasks
+rescue LoadError
+  puts 'although not required, bundler is recommened for running the tests'
+end
+
+task default: :spec
+
 require 'bundler/gem_tasks'
 require 'rspec/core/rake_task'
-
 RSpec::Core::RakeTask.new(:spec)
 
 require 'rubocop/rake_task'
-
 RuboCop::RakeTask.new do |task|
   task.requires << 'rubocop-performance'
   task.requires << 'rubocop-rspec'
 end
-
-task default: %i[spec rubocop]