Make `rake` run the ruby tests in test/rb as well as the new specs


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@668913 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/rb/Rakefile b/lib/rb/Rakefile
index 017ab9b..a41b89b 100644
--- a/lib/rb/Rakefile
+++ b/lib/rb/Rakefile
@@ -2,9 +2,16 @@
 require 'rake'
 require 'spec/rake/spectask'
 
-task :default => :spec
+task :default => [:spec, :test]
 
 Spec::Rake::SpecTask.new("spec") do |t|
   t.spec_files = FileList['spec/**/*_spec.rb']
   t.spec_opts = ['--color']
 end
+
+task :test do
+  fork do
+    exec 'make', '-C', File.dirname(__FILE__) + "/../../test/rb"
+  end
+  Process.wait
+end