chore: clean rakefile

Author: ronaldtse

Rakefile

@@ -1,9 +1,8 @@
 # frozen_string_literal: true
 
 require 'bundler/gem_tasks'
-# require "rspec/core/rake_task"
+require 'rspec/core/rake_task'
 
-# Uncomment to enable the "spec" task
-# RSpec::Core::RakeTask.new(:spec)
-#
-# task :default => :spec
+RSpec::Core::RakeTask.new(:spec)
+
+task default: :spec