Rakefile in graph_builder-1.0.0 vs Rakefile in graph_builder-1.0.1

@@ -1,2 +1,9 @@
 #!/usr/bin/env rake
 require "bundler/gem_tasks"
+require 'rake/testtask'
+
+task default: [:test]
+
+Rake::TestTask.new do |t|
+  t.pattern = "test/*.rb"
+end