Added simple spec to make sure fields exists.

spec/models/end_user_token_segment_field_spec.rb

@@ -0,0 +1,15 @@
+require File.dirname(__FILE__) + "/../spec_helper"
+
+describe EndUserTokenSegmentField do
+  it "should only have valid EndUserToken fields" do
+    obj = EndUserTokenSegmentField.user_segment_fields_handler_info[:domain_model_class].new
+    EndUserTokenSegmentField.user_segment_fields.each do |key, value|
+      if value[:field].is_a?(Array)
+        value[:field].each { |fld| obj.has_attribute?(fld).should be_true }
+      else
+        obj.has_attribute?(value[:field]).should be_true
+      end
+      obj.respond_to?(value[:display_field]).should be_true
+    end
+  end
+end