Add RSpec test stub

README.md

@@ -1,3 +1,5 @@
 # WORK IN PROGRESS
 
+[![Circle CI](https://circleci.com/gh/lightstep/lightstep-tracer-ruby.svg?style=shield)](https://circleci.com/gh/lightstep/lightstep-tracer-ruby)
+
 This library is still a work in progress.

circle.yml

@@ -0,0 +1,3 @@
+machine:
+  ruby:
+    version: rbx-2.2.6

lightstep.rb

@@ -48,7 +48,7 @@ module LightStep
 	# @param $access_token The project access token
 	# @return LightStepBase_Tracer
 	# @throws Exception if the group name or access token is not a valid string.
-  	def self.new_tracer(component_name, access_token, opts = nil)
+  	def self.init_new_tracer(component_name, access_token, opts = nil)
   		if (opts.nil?)
       		opts = {}
     	end

spec/lightstep_spec.rb

@@ -0,0 +1,8 @@
+require_relative '../lightstep.rb'
+
+describe LightStep do
+    it "should return a new tracer from init_new_tracer" do
+        tracer = LightStep.init_new_tracer('lightstep/ruby/spec', '{your_access_token}')
+        expect(tracer).to be_an_instance_of ClientTracer
+    end
+end