fix things

Rakefile

@@ -4,3 +4,5 @@ require 'rake/testtask'
 Rake::TestTask.new do |t|
   t.pattern = 'test/test_*.rb'
 end
+
+task :default => ["build", "install", "test"]

test/minitest_helper.rb

@@ -1,4 +1,5 @@
 $LOAD_PATH.unshift File.expand_path('../../lib', __FILE__)
 require 'NetrunnerDb'
 
+require 'minitest'
 require 'minitest/autorun'