(puppetlabs#3) Add simple unit test for anchor type

Unlike the whit type the anchor type derives from, we are not hacking
the stringify method.  We expect the resource to be named simply
Anchor[foo::bar] where the name is "foo::bar".

Author: Jeff McCune

spec/unit/puppet/type/anchor_spec.rb

@@ -0,0 +1,11 @@
+#!/usr/bin/env ruby
+
+require 'puppet'
+
+anchor = Puppet::Type.type(:anchor).new(:name => "ntp::begin")
+
+describe anchor do
+  it "should stringify normally" do
+    anchor.to_s.should == "Anchor[ntp::begin]"
+  end
+end