Rakefile in mkmf-lite-0.3.2 vs Rakefile in mkmf-lite-0.4.0

@@ -1,8 +1,8 @@
 require 'rake'
 require 'rake/clean'
-require 'rake/testtask'
+require 'rspec/core/rake_task'
 
 CLEAN.include("**/*.gem", "**/*.rbc")
 
 namespace 'gem' do
   desc 'Create the mkmf-lite gem.'
@@ -18,11 +18,9 @@
     file = Dir["*.gem"].first
     sh "gem install -l #{file}"
   end
 end
 
-Rake::TestTask.new do |t|
-  t.verbose = true
-  t.warning = true
-end
+desc "Run the test suite"
+RSpec::Core::RakeTask.new(:spec)
 
-task :default => :test
+task :default => :spec