Rakefile in fluent-plugin-rename-key-0.1.3 vs Rakefile in fluent-plugin-rename-key-0.1.4

@@ -1,9 +1,9 @@
-task :default => [:spec]
-begin
-  require 'rspec/core/rake_task'
-  RSpec::Core::RakeTask.new(:spec) do |spec|
-    spec.pattern = 'spec/**/*_spec.rb'
-    spec.rspec_opts = ['-cfs']
-  end
-rescue LoadError => e
+require "bundler/gem_tasks"
+require "rake/testtask"
+Rake::TestTask.new(:test) do |test|
+  test.libs << 'lib' << 'test'
+  test.pattern = 'test/**/test_*.rb'
+  test.verbose = false
 end
+
+task :default => :test