Reorganize tests


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@668890 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/test/rb/test_helper.rb b/test/rb/test_helper.rb
new file mode 100644
index 0000000..9294c8f
--- /dev/null
+++ b/test/rb/test_helper.rb
@@ -0,0 +1,4 @@
+$:.push File.dirname(__FILE__) + '/gen-rb'
+$:.push File.join(File.dirname(__FILE__), '../../lib/rb/lib')
+
+require 'test/unit'