add a test for shared_ptr with director

Examples/test-suite/ruby/cpp11_shared_ptr_director_runme.rb

@@ -0,0 +1,24 @@
+require 'cpp11_shared_ptr_director'
+
+include Cpp11_shared_ptr_director
+
+class Derived < Creator
+
+  def initialize(flag)
+    @return_none = flag
+    super()
+  end
+
+  def create
+    if @return_none
+      nil
+    else
+      Created.new
+    end
+  end
+
+end
+
+crash(Derived.new(false))
+crash(Derived.new(true))
+